[PATCH/RFC 1/5] mmc: tmio: add max_segs and max_blk_count in tmio_mmc_data

Simon Horman
2017-06-08T13:09:22Z

From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

To change each value from related driver (e.g. sh_mobile_sdhi driver),
this patch adds these member in the struct tmio_mmc_data.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Ai Kyuse <ai.kyuse.uw@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
drivers/mmc/host/tmio_mmc_core.c | 6 +++---
include/linux/mfd/tmio.h | 2 ++
2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index ed4068125349..0e76e099dc7f 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1247,10 +1247,10 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,

mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
mmc->caps2 |= pdata->capabilities2;
- mmc->max_segs = 32;
+ mmc->max_segs = pdata->max_segs ? : 32;
mmc->max_blk_size = 512;
- mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) *
- mmc->max_segs;
+ mmc->max_blk_count = pdata->max_blk_count ? :
+ (PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs;
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
mmc->max_seg_size = mmc->max_req_size;

diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index c83c16b931a8..4e261ea94d6a 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -128,6 +128,8 @@ struct tmio_mmc_data {
unsigned int cd_gpio;
int alignment_shift;
dma_addr_t dma_rx_offset;
+ unsigned int max_blk_count;
+ unsigned short max_segs;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);
};
--
2.1.4