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Davinci: watchdog reset separation across socs

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The earlier watchdog reset mechanism had a couple of limitations.  First, it
embedded a reference to "davinci_wdt_device" inside common code.  This
forced all derived platforms (da8xx and tnetv107x) to define such a device.
This also would have caused problems in including multiple socs in a single
build due to symbol redefinition.

With this patch, davinci_watchdog_reset() now takes the platform device as an
argument.  The davinci_soc_info struct has been extended to include a reset
function and a watchdog platform_device.  arch_reset() then uses these
elements to reset the system in a SoC specific fashion.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Cyril Chemparathy 2010-05-01 18:38:28 -04:00 • committed by Kevin Hilman
commit c78a5bc2e7
13 changed files with 25 additions and 7 deletions
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1
arch/arm/mach-davinci/clock.h
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@ -120,6 +120,7 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
unsigned int mult, unsigned int postdiv);
extern struct platform_device davinci_wdt_device;
extern void davinci_watchdog_reset(struct platform_device *);
#endif