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path: root/drivers/usb/gadget
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* dfu:usb: DFU USB function (f_dfu) support for g_dnl composite gadgetLukasz Majewski2012-09-01-0/+850
| | | | | | | | Support for f_dfu USB function. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* dfu:usb: Support for g_dnl composite download gadget.Lukasz Majewski2012-09-01-0/+203
| | | | | | | | | Composite USB download gadget support (g_dnl) for download functions. This code works on top of composite gadget. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* net: Fix remaining API interface breakageJoe Hershberger2012-05-23-4/+3
| | | | | | | | | | | These are all the files which use the API incorrectly but did not get built using MAKEALL -a powerpc|arm. I have no compiler for them, but the remaining issues should be far less than without this patch. Any outstanding issues are left to the maintainers of boards that use these drivers. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* usb:udc:samsung Add functions for storing private gadget data in UDC driverLukasz Majewski2012-05-20-1/+14
| | | | | | | | | This commit adds support for storing private data to Samsung's UDC driver. This data is afterward used by usb gadget. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* usb:gadget:composite USB composite gadget supportLukasz Majewski2012-05-20-0/+1082
| | | | | | | | | | | | | | | | USB Composite gadget implementation for u-boot. It builds on top of USB UDC drivers. This commit is based on following files from Linux Kernel v2.6.36: ./include/linux/usb/composite.h ./drivers/usb/gadget/composite.c SHA1: d187abb9a83e6c6b6e9f2ca17962bdeafb4bc903 Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* usb:udc:samsung:cleanup Replace DEBUG_* macros with debug_cond() callsLukasz Majewski2012-05-20-136/+188
| | | | | | | | | This patch cleans up the Samsung's UDC driver. It replaces several DEBUG_* macros with debug_cond(). Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* usb:udc: Remove duplicated USB definitions from include/linux/usb/ch9.h fileLukasz Majewski2012-05-20-0/+5
| | | | | | | | | | | Remove the repeated USB descriptor code and use usbdescriptors.h file. ch9.h file has been copied from linux and is needed for USB gadget related work. Now usbdescriptors.h and ch9.h shall be used together. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* lin_gadget: use common linux/compat.hMike Frysinger2012-04-30-3/+4
| | | | | | | | | | | | | | | | Merge our duplicate definitions with the common header. Also fix drivers/usb/gadget/s3c_udc_otg_xfer_dma.c to use min() instead of min_t() since we remove the latter from compat.h. Additionally use memalign() directly as the lin_gadget specific kmalloc() macro is removed from lin_gadget_compat.h by this patch. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Lukasz Majewski <l.majewski@samsung.com>
* Enable high speed support for USB device framework and usbttyVipin KUMAR2012-03-28-5/+19
| | | | | | | | | | | | | This patch adds the support for high speed in usb device framework and usbtty driver. This feature has been kept within a macro CONFIG_USBD_HS, so the board configuration files have to define this macro to enable high speed support. Along with that specific peripheral drivers also need to define a function to let the framework know that the enumeration has happened at high speed. This function prototype is "int is_usbd_high_speed(void)" Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com>
* usb:udc:samsung:fix Remove the req_config flagƁukasz Majewski2012-03-19-13/+5
| | | | | | | | | | The dev->req_config flag was indicating that the forwarded request needs to perform the usb gadget delayed status. This is however not needed anymore, so it can be removed. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Vasut <marex@denx.de>
* USB:gadget:designware Fix memory nonalignment issueShiraz Hashim2012-03-19-1/+11
| | | | | | | | | While receiving packets from FIFO sometimes the buffer provided was nonaligned. Fix this by taking a temporary aligned buffer and then copying the content to nonaligned buffer. Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com>
* USB:gadget:designware Make locally used functions staticAmit Virdi2012-03-19-3/+3
| | | | Signed-off-by: Amit Virdi <amit.virdi@st.com>
* USB:gadget:designware Support high speedVipin KUMAR2012-03-19-0/+10
| | | | | | | This patch adds the support for usb device high speed for designware peripheral. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com>
* USB:gadget:designware Device controller bugfixesVipin KUMAR2012-03-19-21/+38
| | | | | | | | | | | | | | | | This patch fixes a few bugs in USB device controller driver. The fixes are as follows 1. Adding error condition checks eg. NULL return 2. Endpoint other than endpoint 0 (control endpoint) are initialized only if usb state machine reaches STATE_ADDRESSED or above 3. Zero length packet handling corrected 4. Dead code removed 5. Bulk out endpoint returns after servicing 1 interrupt and returns back to service if more interrupts are pending Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Marek Vasut <marex@denx.de>
* USB:gadget:designware USB device controller (UDC) implementationVipin KUMAR2012-03-19-30/+29
| | | | | | | | | | The earlier usb device controller driver was specific to spear platforms. This patch implements the usb device controller driver as a generic controller which can be reused by other platforms using this peripheral. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Marek Vasut <marex@denx.de>
* usb: s3c_udc_otg: fix GCC 4.6 build warningsAnatolij Gustschin2011-12-20-104/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix: In file included from s3c_udc_otg.c:216:0: s3c_udc_otg_xfer_dma.c: In function 'complete_tx': s3c_udc_otg_xfer_dma.c:280:33: warning: variable 'is_short' set but not used s3c_udc_otg_xfer_dma.c:280:6: warning: variable 'ep_tsr' set but not used s3c_udc_otg_xfer_dma.c: In function 's3c_udc_irq': s3c_udc_otg_xfer_dma.c:469:16: warning: variable 'flags' set but not used s3c_udc_otg_xfer_dma.c:468:18: warning: variable 'gintmsk' set but not used s3c_udc_otg_xfer_dma.c: In function 's3c_queue': s3c_udc_otg_xfer_dma.c:582:14: warning: variable 'gintsts' set but not used s3c_udc_otg_xfer_dma.c:581:16: warning: variable 'flags' set but not used s3c_udc_otg_xfer_dma.c: In function 's3c_ep0_read': s3c_udc_otg_xfer_dma.c:778:6: warning: variable 'ret' set but not used s3c_udc_otg_xfer_dma.c: In function 's3c_udc_set_halt': s3c_udc_otg_xfer_dma.c:1020:16: warning: variable 'flags' set but not used s3c_udc_otg_xfer_dma.c: In function 's3c_ep0_setup': s3c_udc_otg_xfer_dma.c:1258:13: warning: initialization from incompatible pointer type [enabled by default] s3c_udc_otg_xfer_dma.c:1239:16: warning: variable 'is_in' set but not used s3c_udc_otg_xfer_dma.c:1239:9: warning: variable 'bytes' set but not used s3c_udc_otg.c: In function 'usb_gadget_register_driver': s3c_udc_otg.c:292:16: warning: variable 'flags' set but not used s3c_udc_otg.c: In function 'usb_gadget_unregister_driver': s3c_udc_otg.c:338:16: warning: variable 'flags' set but not used s3c_udc_otg.c: In function 's3c_ep_enable': s3c_udc_otg.c:582:16: warning: variable 'flags' set but not used s3c_udc_otg.c: In function 's3c_ep_disable': s3c_udc_otg.c:646:16: warning: variable 'flags' set but not used s3c_udc_otg.c: In function 's3c_dequeue': s3c_udc_otg.c:704:16: warning: variable 'flags' set but not used Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Lukasz Majewski <l.majewski@samsung.com> Cc: Remy Bohmer <linux@bohmer.net>
* drivers/usb/gadget/pxa27x_udc.c: Coding Style cleanupWolfgang Denk2011-12-19-3/+2
| | | | | | | Commit bdbcdc89 "pxa: convert pxa27x_udc to use read and write functions" added a number of C++ comments. Fix these. Signed-off-by: Wolfgang Denk <wd@denx.de>
* USB: Use (get|put)_unaligned for accessing wMaxPacketSizeTom Rini2011-12-16-7/+11
| | | | | | | | | | | | | | | | | | | | | | In 9792987721c7980453fe6447c3fa6593b44f8458 Stefan describes a usecase where the previous behavior of leaving wMaxPacketSize be unaligned caused fatal problems. The initial fix for this problem was incomplete however as it showed another cases of non-aligned access that previously worked implicitly. This switches to making sure that all access of wMaxPacketSize are done via (get|put)_unaligned. In order to maintain a level of readability to the code in some cases we now use a variable for the value of wMaxPacketSize and in others, a macro. Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Remy Bohmer <linux@bohmer.net> OpenRISC: Tested-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Beagleboard xM, Pandaboard run-tested, s5p_goni build-tested. Signed-off-by: Tom Rini <trini@ti.com>
* usb:gadget:s5p USB Device Controller (UDC) implementationLukasz Majewski2011-12-11-0/+2611
| | | | | | | | | | | This commit provides UDC driver support for Samsung's SoC family of processors. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Remy Bohmer <linux@bohmer.net>
* pxa: convert pxa27x_udc to use read and write functionsStefan Herbrechtsmeier2011-12-11-83/+100
| | | | | | Signed-off-by: Stefan Herbrechtsmeier <sherbrec@cit-ec.uni-bielefeld.de> CC: Marek Vasut <marek.vasut@gmail.com> CC: Remy Bohmer <linux@bohmer.net>
* USB: gadaget: add Marvell controller supportLei Wen2011-12-11-0/+507
| | | | Signed-off-by: Lei Wen <leiwen@marvell.com>
* drivers/usb/gadget/ep0.c: Fix GCC 4.6 warningAnatolij Gustschin2011-12-09-2/+0
| | | | | | | | | | | | Fix: ep0.c: In function 'ep0_get_descriptor': ep0.c:187:8: warning: variable 'cp' set but not used [-Wunused-but-set-variable] Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Remy Bohmer <linux@bohmer.net> Acked-by: Remy Bohmer <linux@bohmer.net> Acked-by: Marek Vasut <marek.vasut@gmail.com>
* drivers/usb/gadget/core.c: Fix GCC 4.6 warningAnatolij Gustschin2011-12-09-2/+2
| | | | | | | | | | | | Fix: core.c: In function 'usbd_device_event_irq': core.c:596:21: warning: variable 'state' set but not used [-Wunused-but-set-variable] Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Remy Bohmer <linux@bohmer.net> Acked-by: Remy Bohmer <linux@bohmer.net> Acked-by: Marek Vasut <marek.vasut@gmail.com>
* PXA: Rename CONFIG_PXA2[57]X to CONFIG_CPU_PXA2[57]XMarek Vasut2011-12-06-1/+1
| | | | Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
* Coding Style cleanup: remove trailing empty linesWolfgang Denk2011-03-27-1/+0
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* USB-RNDIS: Send RNDIS state on disconnectingVitaly Kuzmichev2011-02-19-0/+36
| | | | | | | Add waiting for receiving Ethernet gadget state on the Windows host side before dropping pullup, but keep it for debug. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB: Add USB RNDIS gadget protocolVitaly Kuzmichev2011-02-19-60/+2362
| | | | | | | Port USB gadget RNDIS protocol support from linux-2.6.26 (.27 gadget stack actually has composite drivers). Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Move struct declaration before its useVitaly Kuzmichev2011-02-19-34/+36
| | | | Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Port struct net_device_statsVitaly Kuzmichev2011-02-19-0/+39
| | | | | | | Port struct net_device_stats and statistics collecting needed for RNDIS protocol. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: handle interrupt after dropped pullupVitaly Kuzmichev2011-02-19-0/+7
| | | | | | | | | | | | Disconnecting USB gadget with pending interrupt may cause its wrong handling in the next time when interface will be started again (especially actual for RNDIS). This interrupt may force the gadget to queue unexpected response before setup stage. Despite the fact that such interrupt handled after dropped pullup also may add pending response, this will not bring to any issues due to usb_ep_disable (which clears the queue) called on gadget unregistering. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Move MAC addresses setting into usb_eth_initVitaly Kuzmichev2011-01-19-36/+26
| | | | | | | This allows to change device and host MAC addresses without performing reset. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Do not rename netdev after its registrationVitaly Kuzmichev2011-01-19-3/+2
| | | | | | | Calling eth_bind at usb_eth_init time causes renaming of the network device from 'usb_ether' to 'usb0'. Fixing this to keep the first name. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* usb_ether: register usb ethernet gadget at each eth initLei Wen2011-01-19-4/+8
| | | | | | | | | | | | Since the ether may not be the only one usb gadget would be used in the uboot, it is neccessary to do the register each time the eth begin to work to make usb gadget driver less confussed when we want to use two different usb gadget at the same time. Usb gadget driver could simple ignore the register operation, if it find the driver has been registered already. Signed-off-by: Lei Wen <leiwen@marvell.com>
* Switch from archive libraries to partial linkingSebastien Carlier2010-11-17-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
* Coding Style cleanupWolfgang Denk2010-10-27-4/+0
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* USB-CDC: Prevent rx_req being enqueued twiceVitaly Kuzmichev2010-10-13-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After gadget reinitializaton (after tftp has been done once) packet_received may become equal to 1 due to nuking OUT_EP while disabling it in eth_reset_config. rx_submit called from usb_eth_init queues rx_req first time. But the first call of usb_eth_recv from NetLoop queues rx_req again due to packet_received = 1. The following flow shows the path of functions calls when this happens: net/net.c:NetLoop | +-net/eth.c:eth_init | ether.c:usb_eth_init | | | +-udc_driver:usb_gadget_handle_interrupts | | udc_driver:... | | ether.c:eth_setup | | ether.c:eth_set_config | | ether.c:eth_reset_config | | udc_driver:usb_ep_disable | | udc_driver:nuke | | ether.c:rx_complete | | ether.c: packet_received = 1; | | | +-ether.c:rx_submit | udc_driver:usb_ep_queue --- The first time when rx_req is queued | +-net/eth.c:eth_rx ether.c:usb_eth_recv | +-udc_driver:usb_gadget_handle_interrupts | udc_driver:... --- no interrupts, returning +-ether.c: if (packet_received) { ... ether.c:rx_submit udc_driver:usb_ep_queue --- The second time! Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Fix tx/rx_req memory leaksVitaly Kuzmichev2010-10-13-13/+7
| | | | | | | | | | | | Remove and fix needless and destructive operations with tx/rx_req. 1) 'req' in rx_complete is always not NULL and always equals to rx_req 2) Free allocated tx_req if rx_req allocation has failed 3) Do not zero out tx/rx_req in usb_eth_init, leave this for eth_reset_config which will be called at the next use of usb0 4) Additional check in usb_eth_recv is not required Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Fix coding style issuesVitaly Kuzmichev2010-09-20-330/+357
| | | | | | | | | | | | | | | | | Fixes most of checkpatch warnings and errors in USB gadget stack. The most frequently encountered problems are: 1) "(foo*)", "foo * bar", "foo* bar" 2) C99 // comments 3) No spaces before/after/around '?', ':', '=', '==', ',', '&', '(' 4) Spaces before '[' 5) Spaces between function names and '(' 6) Block braces in wrong places 7) Spaces before tabs 8) Macros with complex values not enclosed in parenthesis 9) Multiline comments start just after /* Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: called handle_interrupts inside usb_eth_sendStefano Babic2010-09-20-1/+9
| | | | | | | | | The patch removes an endless loop in the usb_eth_send if the tx_complete is not called before going in the loop. The driver interrupt routine is called allowing the driver to check if the TX is completed. Signed-off-by: Stefano Babic <sbabic@denx.de>
* USB-CDC: correct wrong alignment in ether.cStefano Babic2010-09-20-1/+1
| | | | | | | | The buffer for the status request must be word aligned because it is accessed with 32 bit pointer in the eth_status_complete function. Signed-off-by: Stefano Babic <sbabic@denx.de>
* USB-CDC: change simple_strtol to simple_strtoulVitaly Kuzmichev2010-09-20-1/+1
| | | | | | | | | | The patch is based on commit bb9496c6f7e853e5d4edd5397c9d45f1968d623c (done by Julia Lawall <julia@diku.dk>) from linux-2.6.git. Since num is unsigned, it would seem better to use simple_strtoul that simple_strtol. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: ethernet error path potential oops fixVitaly Kuzmichev2010-09-20-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix potential oops on rare error path. The patch is based on commit e7b13ec9235b9fded90f826ceeb8c34548631351 (done by David Brownell <david-b@pacbell.net>) from linux-2.6.git. Description of the issue taken from linux kernel bugzilla: (https://bugzilla.kernel.org/show_bug.cgi?id=9594) The potential error can be tracked down as follows: (1) line 807: let the second conjunct on the "if" statment be false meaning "dev->status_ep" is null. This means the "if" evaluates to false. follow thru the code until... (2) line 808: usb_ep_disable(dev->status_ep) passes in a null argument, however "usb_ep_disable" cannot handle that: (from include/linux/usb/gadget.h) 191 static inline int 192 usb_ep_disable (struct usb_ep *ep) 193 { 194 return ep->ops->disable (ep); 195 } -- Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Correct stat_req initializationVitaly Kuzmichev2010-09-20-4/+3
| | | | | | | | Fix possible oops on stat_req->buf initialization and fix ep0 and status_ep confusion (last one is just intended for stat_req keeping). Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com> Signed-off-by: Stefano Babic <sbabic@denx.de>
* USB-CDC: Replace 'strcpy' by 'strlcpy'Vitaly Kuzmichev2010-09-20-3/+3
| | | | | | Replace 'strcpy' by more safe 'strlcpy' that is implemented in ether.c Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Correct freeing usb requestsVitaly Kuzmichev2010-09-20-2/+7
| | | | | | | Fix in_ep and out_ep confusion (rx_req was allocated from out_ep, not from in_ep) and add lost dev->req freeing. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Use native debug printout macrosVitaly Kuzmichev2010-09-20-53/+43
| | | | | | | | Replace Linux-like debug printout macros by native ones. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com> Applied after removing dead code like '#define DEBUG/#undef DEBUG'
* USB-CDC: Add lost 'qmult' definitionVitaly Kuzmichev2010-09-20-0/+6
| | | | | | | Add lost 'qmult' definition for High Speed devices and make it configurable through CONFIG_USB_ETH_QMULT. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* USB-CDC: Restuct USB gadget MakefileVitaly Kuzmichev2010-09-20-2/+5
| | | | | | | Prohibit simultaneous usage of both old and new gadget stacks and allow UDC drivers to be dependent on CONFIG_USB_ETHER. Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
* Integrate USB gadget layer and USB CDC driver layerRemy Bohmer2010-09-20-0/+2728
| | | | | | | Derived from Linux kernel 2.6.27 Signed-off-by: Thomas Smits <ts.smits@gmail.com> Signed-off-by: Remy Bohmer <linux@bohmer.net>
* mod change 755 => 644 for multiple filesThomas Weber2010-03-21-0/+0
| | | | | | | | I executed 'find . -name "*.[chS]" -perm 755 -exec chmod 644 {} \;' Signed-off-by: Thomas Weber <swirl@gmx.li> Add some more: neither Makefile nor config.mk need execute permissions. Signed-off-by: Wolfgang Denk <wd@denx.de>