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OpenCloudOS-Kernel
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mmc: msm_sdcc: Snoop SDIO_CCCR_ABORT register 

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
This commit is contained in:
San Mehat 2009-11-02 18:46:09 -08:00 committed by Daniel Walker
parent 4adbbcc7b6
commit b3fa579118
1 changed files with 14 additions and 0 deletions
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14
drivers/mmc/host/msm_sdcc.c
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@ -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++;