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mmc: dw_mmc: remove the unused quirks 

Removed the unused quirks. These quirks don't used anywhere.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jaehoon Chung 2015-12-24 18:41:03 +09:00 committed by Ulf Hansson
parent 923a231c87
commit 01a999e489
2 changed files with 2 additions and 27 deletions
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19
drivers/mmc/host/dw_mmc.c
View File

@ -1634,12 +1634,6 @@ static int dw_mci_command_complete(struct dw_mci *host, struct mmc_command *cmd)
else
cmd->error = 0;
if (cmd->error) {
/* newer ip versions need a delay between retries */
if (host->quirks & DW_MCI_QUIRK_RETRY_DELAY)
mdelay(20);
}
return cmd->error;
}
@ -2355,16 +2349,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
pending = mci_readl(host, MINTSTS); /* read-only mask reg */
/*
* DTO fix - version 2.10a and below, and only if internal DMA
* is configured.
*/
if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO) {
if (!pending &&
((mci_readl(host, STATUS) >> 17) & 0x1fff))
pending |= SDMMC_INT_DATA_OVER;
}
if (pending) {
/* Check volt switch first, since it can look like an error */
if ((host->state == STATE_SENDING_CMD11) &&
@ -3165,9 +3149,6 @@ int dw_mci_probe(struct dw_mci *host)
/* Now that slots are all setup, we can enable card detect */
dw_mci_enable_cd(host);
if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO)
dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n");
return 0;
err_dmaunmap:

10
include/linux/mmc/dw_mmc.h
View File

@ -235,16 +235,10 @@ struct dw_mci_dma_ops {
};
/* IP Quirks/flags. */
/* DTO fix for command transmission with IDMAC configured */
#define DW_MCI_QUIRK_IDMAC_DTO BIT(0)
/* delay needed between retries on some 2.11a implementations */
#define DW_MCI_QUIRK_RETRY_DELAY BIT(1)
/* High Speed Capable - Supports HS cards (up to 50MHz) */
#define DW_MCI_QUIRK_HIGHSPEED BIT(2)
/* Unreliable card detection */
#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3)
#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(0)
/* Timer for broken data transfer over scheme */
#define DW_MCI_QUIRK_BROKEN_DTO BIT(4)
#define DW_MCI_QUIRK_BROKEN_DTO BIT(1)
struct dma_pdata;