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Commit 597045de authored by Sebastian Rasmussen's avatar Sebastian Rasmussen Committed by Samuel Ortiz
Browse files

mfd: db8500-prcmu reset code retrieval 



This implements the reset code retrieval function so we can
ipso facto get to know how the system was reset.

Signed-off-by: default avatarSebastian Rasmussen <sebastian.rasmussen@stericsson.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent d6e3002e

drivers/mfd/db8500-prcmu.c

+11 −0
Original line number Original line Diff line number Diff line
@@ -1835,6 +1835,17 @@ void db8500_prcmu_system_reset(u16 reset_code) 
	writel(1, PRCM_APE_SOFTRST);

	writel(1, PRCM_APE_SOFTRST);

}

}





/**

 * db8500_prcmu_get_reset_code - Retrieve SW reset reason code

 *

 * Retrieves the reset reason code stored by prcmu_system_reset() before

 * last restart.

 */

u16 db8500_prcmu_get_reset_code(void)

{

	return readw(tcdm_base + PRCM_SW_RST_REASON);

}



/**

/**

 * prcmu_reset_modem - ask the PRCMU to reset modem

 * prcmu_reset_modem - ask the PRCMU to reset modem

 */

 */