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authorSimon Glass <sjg@chromium.org>2014-07-23 06:54:59 -0600
committerSimon Glass <sjg@chromium.org>2014-07-23 14:07:23 +0100
commit709ea543b92489e7729d2d7ddd6c9f451e52158c (patch)
treec3ae9c03a7d031e510bab2cd3fa093e1f126c5ad /board/mpl/pati/pati.c
parent91d0be1dd845913ba276e041dc11d1297390de11 (diff)
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stdio: Pass device pointer to stdio methods
At present stdio device functions do not get any clue as to which stdio device is being acted on. Some implementations go to great lengths to work around this, such as defining a whole separate set of functions for each possible device. For driver model we need to associate a stdio_dev with a device. It doesn't seem possible to continue with this work-around approach. Instead, add a stdio_dev pointer to each of the stdio member functions. Note: The serial drivers have the same problem, but it is not strictly necessary to fix that to get driver model running. Also, if we convert serial over to driver model the problem will go away. Code size increases by 244 bytes for Thumb2 and 428 for PowerPC. 22: stdio: Pass device pointer to stdio methods arm: (for 2/2 boards) all +244.0 bss -4.0 text +248.0 powerpc: (for 1/1 boards) all +428.0 text +428.0 Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'board/mpl/pati/pati.c')
-rw-r--r--board/mpl/pati/pati.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/board/mpl/pati/pati.c b/board/mpl/pati/pati.c
index 8ca9bb3..5d701a7 100644
--- a/board/mpl/pati/pati.c
+++ b/board/mpl/pati/pati.c
@@ -445,7 +445,7 @@ void pci_con_put_it(const char c)
PCICON_SET_REG(PCICON_DBELL_REG,PCIMSG_CON_DATA);
}
-void pci_con_putc(const char c)
+void pci_con_putc(struct stdio_dev *dev, const char c)
{
pci_con_put_it(c);
if(c == '\n')
@@ -453,7 +453,7 @@ void pci_con_putc(const char c)
}
-int pci_con_getc(void)
+int pci_con_getc(struct stdio_dev *dev)
{
int res;
int diff;
@@ -473,14 +473,14 @@ int pci_con_getc(void)
return res;
}
-int pci_con_tstc(void)
+int pci_con_tstc(struct stdio_dev *dev)
{
if(r_ptr==(volatile int)w_ptr)
return 0;
return 1;
}
-void pci_con_puts (const char *s)
+void pci_con_puts(struct stdio_dev *dev, const char *s)
{
while (*s) {
pci_con_putc(*s);