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Commit b3fa5791 authored by San Mehat's avatar San Mehat Committed by Daniel Walker
Browse files

mmc: msm_sdcc: Snoop SDIO_CCCR_ABORT register 



Signed-off-by: default avatarSan Mehat <san@google.com>
Signed-off-by: default avatarDaniel Walker <dwalker@codeaurora.org>
parent 4adbbcc7

drivers/mmc/host/msm_sdcc.c

+14 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/log2.h>

#include <linux/mmc/host.h>

#include <linux/mmc/card.h>

#include <linux/mmc/sdio.h>

#include <linux/clk.h>

#include <linux/scatterlist.h>

#include <linux/platform_device.h>
@@ -355,6 +356,16 @@ msmsdcc_start_data(struct msmsdcc_host *host, struct mmc_data *data) 
	}

}



static int

snoop_cccr_abort(struct mmc_command *cmd)

{

	if ((cmd->opcode == 52) &&

	    (cmd->arg & 0x80000000) &&

	    (((cmd->arg >> 9) & 0x1ffff) == SDIO_CCCR_ABORT))

		return 1;

	return 0;

}



static void

msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c)

{
@@ -381,6 +392,9 @@ msmsdcc_start_command(struct msmsdcc_host *host, struct mmc_command *cmd, u32 c) 
	if (cmd == cmd->mrq->stop)

		c |= MCI_CSPM_MCIABORT;



	if (snoop_cccr_abort(cmd))

		c |= MCI_CSPM_MCIABORT;



	host->curr.cmd = cmd;



	host->stats.cmds++;