This patch adds the erase capability to OMAP1/OMAP2420 MMC driver. Idea is
the same than in commit 93caf8e ("omap_hsmmc: add erase capability") that we
disable the data timeout interrupt for erases.
Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxx>
---
drivers/mmc/host/omap.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 24235f1..134885a 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -25,6 +25,7 @@
#include <linux/omap-dma.h>
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
+#include <linux/mmc/mmc.h>
#include <linux/clk.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
@@ -335,6 +336,7 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd)
u32 cmdreg;
u32 resptype;
u32 cmdtype;
+ u16 irq_mask;
host->cmd = cmd;
@@ -387,12 +389,14 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd)
OMAP_MMC_WRITE(host, CTO, 200);
OMAP_MMC_WRITE(host, ARGL, cmd->arg & 0xffff);
OMAP_MMC_WRITE(host, ARGH, cmd->arg >> 16);
- OMAP_MMC_WRITE(host, IE,
- OMAP_MMC_STAT_A_EMPTY | OMAP_MMC_STAT_A_FULL |
- OMAP_MMC_STAT_CMD_CRC | OMAP_MMC_STAT_CMD_TOUT |
- OMAP_MMC_STAT_DATA_CRC | OMAP_MMC_STAT_DATA_TOUT |
- OMAP_MMC_STAT_END_OF_CMD | OMAP_MMC_STAT_CARD_ERR |
- OMAP_MMC_STAT_END_OF_DATA);
+ irq_mask = OMAP_MMC_STAT_A_EMPTY | OMAP_MMC_STAT_A_FULL |
+ OMAP_MMC_STAT_CMD_CRC | OMAP_MMC_STAT_CMD_TOUT |
+ OMAP_MMC_STAT_DATA_CRC | OMAP_MMC_STAT_DATA_TOUT |
+ OMAP_MMC_STAT_END_OF_CMD | OMAP_MMC_STAT_CARD_ERR |
+ OMAP_MMC_STAT_END_OF_DATA;
+ if (cmd->opcode == MMC_ERASE)
+ irq_mask &= ~OMAP_MMC_STAT_DATA_TOUT;
+ OMAP_MMC_WRITE(host, IE, irq_mask);
OMAP_MMC_WRITE(host, CMD, cmdreg);
}
@@ -1233,7 +1237,7 @@ static int mmc_omap_new_slot(struct mmc_omap_host *host, int id)
mmc->caps = 0;
if (host->pdata->slots[id].wires >= 4)
- mmc->caps |= MMC_CAP_4_BIT_DATA;
+ mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_ERASE;
mmc->ops = &mmc_omap_ops;
mmc->f_min = 400000;
--
1.8.4.2
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