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ARM: davinci: add skeleton for pdata-quirks

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Add skeleton pdata-quirks for davinci.

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
[nsekhar@ti.com: move changes to build pdata-quirks.c and call
		 to pdata_quirks_init() to this patch]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Kevin Hilman 2017-01-09 12:55:29 -08:00 committed by Sekhar Nori
parent 7ce7d89f48
commit 9c9b1bc252
4 changed files with 43 additions and 1 deletions
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2
arch/arm/mach-davinci/Makefile
View File

@ -21,7 +21,7 @@ obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
# Board specific
obj-$(CONFIG_MACH_DA8XX_DT) += da8xx-dt.o
obj-$(CONFIG_MACH_DA8XX_DT) += da8xx-dt.o pdata-quirks.o
obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o
obj-$(CONFIG_MACH_NEUROS_OSD2) += board-neuros-osd2.o

1
arch/arm/mach-davinci/da8xx-dt.c
View File

@ -62,6 +62,7 @@ static void __init da850_init_machine(void)
of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
davinci_pm_init();
pdata_quirks_init();
}
static const char *const da850_boards_compat[] __initconst = {

2
arch/arm/mach-davinci/include/mach/common.h
View File

@ -102,6 +102,8 @@ int davinci_pm_init(void);
static inline int davinci_pm_init(void) { return 0; }
#endif
void __init pdata_quirks_init(void);
#define SRAM_SIZE SZ_128K
#endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */

39
arch/arm/mach-davinci/pdata-quirks.c Normal file
View File

@ -0,0 +1,39 @@
/*
* Legacy platform_data quirks
*
* Copyright (C) 2016 BayLibre, Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <mach/common.h>
struct pdata_init {
const char *compatible;
void (*fn)(void);
};
static void pdata_quirks_check(struct pdata_init *quirks)
{
while (quirks->compatible) {
if (of_machine_is_compatible(quirks->compatible)) {
if (quirks->fn)
quirks->fn();
break;
}
quirks++;
}
}
static struct pdata_init pdata_quirks[] __initdata = {
{ /* sentinel */ },
};
void __init pdata_quirks_init(void)
{
pdata_quirks_check(pdata_quirks);
}