forked from Minki/linux
mmc: tmio, renesas-sdhi: add max_{segs, blk_count} to tmio_mmc_data
Allow TMIO and SDHI driver implementations to provide values for max_segs and max_blk_count. A follow-up patch will set these values for Renesas Gen3 SoCs the using an SDHI driver. 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> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -31,6 +31,8 @@ struct renesas_sdhi_of_data {
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int scc_offset;
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struct renesas_sdhi_scc *taps;
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int taps_num;
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unsigned int max_blk_count;
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unsigned short max_segs;
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};
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int renesas_sdhi_probe(struct platform_device *pdev,
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@ -526,6 +526,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
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mmc_data->capabilities |= of_data->capabilities;
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mmc_data->capabilities2 |= of_data->capabilities2;
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mmc_data->dma_rx_offset = of_data->dma_rx_offset;
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mmc_data->max_blk_count = of_data->max_blk_count;
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mmc_data->max_segs = of_data->max_segs;
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dma_priv->dma_buswidth = of_data->dma_buswidth;
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host->bus_shift = of_data->bus_shift;
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}
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@ -1251,10 +1251,10 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,
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mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
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mmc->caps2 |= pdata->capabilities2;
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mmc->max_segs = 32;
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mmc->max_segs = pdata->max_segs ? : 32;
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mmc->max_blk_size = 512;
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mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) *
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mmc->max_segs;
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mmc->max_blk_count = pdata->max_blk_count ? :
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(PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs;
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mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
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mmc->max_seg_size = mmc->max_req_size;
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@ -128,6 +128,8 @@ struct tmio_mmc_data {
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unsigned int cd_gpio;
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int alignment_shift;
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dma_addr_t dma_rx_offset;
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unsigned int max_blk_count;
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unsigned short max_segs;
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void (*set_pwr)(struct platform_device *host, int state);
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void (*set_clk_div)(struct platform_device *host, int state);
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};
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