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path: root/drivers/misc/cros_ec_spi.c
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* linux/kernel.h: sync min, max, min3, max3 macros with LinuxMasahiro Yamada2014-11-23-1/+1
| | | | | | | | | | | | | | | | | | | | U-Boot has never cared about the type when we get max/min of two values, but Linux Kernel does. This commit gets min, max, min3, max3 macros synced with the kernel introducing type checks. Many of references of those macros must be fixed to suppress warnings. We have two options: - Use min, max, min3, max3 only when the arguments have the same type (or add casts to the arguments) - Use min_t/max_t instead with the appropriate type for the first argument Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Pavel Machek <pavel@denx.de> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> [trini: Fixup arch/blackfin/lib/string.c] Signed-off-by: Tom Rini <trini@ti.com>
* dm: exynos: cros_ec: Move cros_ec_spi to driver modelSimon Glass2014-10-22-9/+78
| | | | | | | | Adjust this driver to use driver model and move smdk5420 boards over to use it. Acked-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* cros_ec: Fix two bugs in the SPI implementationSimon Glass2014-08-06-2/+2
| | | | | | | | | | | An incorrect message version is passed to the EC in some cases and the parameters of one function are switched. Fix these problems. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Ajay Kumar <ajaykumar.rs@samsung.com> Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* cros_ec: spi: Add support for EC protocol version 3Randall Spangler2014-03-17-0/+24
| | | | | | | | | Protocol version 3 will be attempted first; if the EC doesn't support it, u-boot will fall back to the old protocol version (2). Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Randall Spangler <rspangler@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* cros_ec: Clean up multiple EC protocol supportRandall Spangler2014-03-17-0/+6
| | | | | | | | | | | | | | | Version 1 protocols (without command version) were already no longer supported in cros_ec.c. This removes some dead code from the cros_ec_i2c driver. Version 2 protcols (with command version) are now called protocol_version=2, instead of cmd_version_is_supported=1. A subsequent change will introduce protocol version 3 for SPI. Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Randall Spangler <rspangler@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* spi_flash: Add spi_flash_probe_fdt() to locate SPI by FDT nodeSimon Glass2013-12-09-2/+1
| | | | | | | This allows us to put the SPI flash chip inside the SPI interface node, with U-Boot finding the correct bus and chip select automatically. Signed-off-by: Simon Glass <sjg@chromium.org>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-16/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* cros: exynos: add SPI support for cros_ecHung-ying Tyan2013-06-26-0/+161
This patch adds SPI support for carrying out the cros_ec protocol. Signed-off-by: Hung-ying Tyan <tyanh@chromium.org> Signed-off-by: Randall Spangler <rspangler@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
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