Consolidate the duplicated code around the handling of CMD_TIMEOUT,
CMD_CRC, DATA_TIMEOUT, DATA_CRC and CARD_ERR handling into a
single function.
This generally shrinks code bloat, but is also required for implementing
software based guard timers.
Signed-off-by: Venkatraman S <svenkatr@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 63 +++++++++++++++----------------------------
1 file changed, 21 insertions(+), 42 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 20453c8..9afdd20 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -964,6 +964,18 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
__func__);
}
+static void hsmmc_command_incomplete(struct omap_hsmmc_host *host, int err)
+{
+ omap_hsmmc_reset_controller_fsm(host, SRC);
+ host->cmd->error = err;
+
+ if (host->data) {
+ omap_hsmmc_reset_controller_fsm(host, SRD);
+ omap_hsmmc_dma_cleanup(host, err);
+ }
+
+}
+
static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status)
{
struct mmc_data *data;
@@ -974,48 +986,15 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status)
if (status & ERR) {
omap_hsmmc_dbg_report_irq(host, status);
- if ((status & CMD_TIMEOUT) ||
- (status & CMD_CRC)) {
- if (host->cmd) {
- if (status & CMD_TIMEOUT) {
- omap_hsmmc_reset_controller_fsm(host,
- SRC);
- host->cmd->error = -ETIMEDOUT;
- } else {
- host->cmd->error = -EILSEQ;
- }
- end_cmd = 1;
- }
- if (host->data || host->response_busy) {
- if (host->data)
- omap_hsmmc_dma_cleanup(host,
- -ETIMEDOUT);
- host->response_busy = 0;
- omap_hsmmc_reset_controller_fsm(host, SRD);
- }
- }
- if ((status & DATA_TIMEOUT) ||
- (status & DATA_CRC)) {
- if (host->data || host->response_busy) {
- int err = (status & DATA_TIMEOUT) ?
- -ETIMEDOUT : -EILSEQ;
-
- if (host->data)
- omap_hsmmc_dma_cleanup(host, err);
- else
- host->mrq->cmd->error = err;
- host->response_busy = 0;
- omap_hsmmc_reset_controller_fsm(host, SRD);
- end_trans = 1;
- }
- }
- if (status & CARD_ERR) {
- dev_dbg(mmc_dev(host->mmc),
- "Ignoring card err CMD%d\n", host->cmd->opcode);
- if (host->cmd)
- end_cmd = 1;
- if (host->data)
- end_trans = 1;
+ if (status & (CMD_TIMEOUT | DATA_TIMEOUT))
+ hsmmc_command_incomplete(host, -ETIMEDOUT);
+ else if (status & (CMD_CRC | DATA_CRC))
+ hsmmc_command_incomplete(host, -EILSEQ);
+
+ end_cmd = 1;
+ if (host->data || host->response_busy) {
+ end_trans = 1;
+ host->response_busy = 0;
}
}
--
1.7.11.1.25.g0e18bef
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