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mmc: dw_mmc: remove the quirks flags

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Remove the quirks flag. (DW_MCI_QUIRK_BROKEN_DTO)
For removing this, enabled the dto_timer by defaults.
It doesn't see any I/O performance degression.
In future, dwmmc controller should not use the quirks flag.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jaehoon Chung 2016-06-21 14:35:37 +09:00 • committed by Ulf Hansson
parent e5a613537c
commit 16a34574c6
3 changed files with 5 additions and 23 deletions
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9
include/linux/mmc/dw_mmc.h
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@ -112,7 +112,6 @@ struct dw_mci_dma_slave {
* @part_buf: Simple buffer for partial fifo reads/writes.
* @push_data: Pointer to FIFO push function.
* @pull_data: Pointer to FIFO pull function.
* @quirks: Set of quirks that apply to specific versions of the IP.
* @vqmmc_enabled: Status of vqmmc, should be true or false.
* @irq_flags: The flags to be passed to request_irq.
* @irq: The irq value to be passed to request_irq.
@ -218,9 +217,6 @@ struct dw_mci {
void (*push_data)(struct dw_mci *host, void *buf, int cnt);
void (*pull_data)(struct dw_mci *host, void *buf, int cnt);
/* Workaround flags */
u32 quirks;
bool vqmmc_enabled;
unsigned long irq_flags; /* IRQ flags */
int irq;
@ -242,17 +238,12 @@ struct dw_mci_dma_ops {
void (*exit)(struct dw_mci *host);
};
/* IP Quirks/flags. */
/* Timer for broken data transfer over scheme */
#define DW_MCI_QUIRK_BROKEN_DTO BIT(0)
struct dma_pdata;
/* Board platform data */
struct dw_mci_board {
u32 num_slots;
u32 quirks; /* Workaround / Quirk flags */
unsigned int bus_hz; /* Clock speed at the cclk_in pad */
u32 caps; /* Capabilities */