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Commit 01e421fe authored by Ulf Hansson's avatar Ulf Hansson
Browse files

Merge branch 'fixes' into next

parents 961de0a8 e3ae3401
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+15 −9
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@
#include "pwrseq.h"

#define DEFAULT_CMD6_TIMEOUT_MS	500
#define MIN_CACHE_EN_TIMEOUT_MS 1600

static const unsigned int tran_exp[] = {
	10000,		100000,		1000000,	10000000,
@@ -526,8 +527,7 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
			card->cid.year += 16;

		/* check whether the eMMC card supports BKOPS */
		if (!mmc_card_broken_hpi(card) &&
		    ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
		if (ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
			card->ext_csd.bkops = 1;
			card->ext_csd.man_bkops_en =
					(ext_csd[EXT_CSD_BKOPS_EN] &
@@ -1785,20 +1785,26 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
		if (err) {
			pr_warn("%s: Enabling HPI failed\n",
				mmc_hostname(card->host));
			card->ext_csd.hpi_en = 0;
			err = 0;
		} else
		} else {
			card->ext_csd.hpi_en = 1;
		}
	}

	/*
	 * If cache size is higher than 0, this indicates
	 * the existence of cache and it can be turned on.
	 * If cache size is higher than 0, this indicates the existence of cache
	 * and it can be turned on. Note that some eMMCs from Micron has been
	 * reported to need ~800 ms timeout, while enabling the cache after
	 * sudden power failure tests. Let's extend the timeout to a minimum of
	 * DEFAULT_CACHE_EN_TIMEOUT_MS and do it for all cards.
	 */
	if (!mmc_card_broken_hpi(card) &&
	    card->ext_csd.cache_size > 0) {
	if (card->ext_csd.cache_size > 0) {
		unsigned int timeout_ms = MIN_CACHE_EN_TIMEOUT_MS;

		timeout_ms = max(card->ext_csd.generic_cmd6_time, timeout_ms);
		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
				EXT_CSD_CACHE_CTRL, 1,
				card->ext_csd.generic_cmd6_time);
				EXT_CSD_CACHE_CTRL, 1, timeout_ms);
		if (err && err != -EBADMSG)
			goto free_card;

+11 −1
Original line number Diff line number Diff line
@@ -1899,7 +1899,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
	mmc->max_blk_size = 512;       /* Block Length at max can be 1024 */
	mmc->max_blk_count = 0xFFFF;    /* No. of Blocks is 16 bits */
	mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
	mmc->max_seg_size = mmc->max_req_size;

	mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
		     MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE | MMC_CAP_CMD23;
@@ -1929,6 +1928,17 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
		goto err_irq;
	}

	/*
	 * Limit the maximum segment size to the lower of the request size
	 * and the DMA engine device segment size limits.  In reality, with
	 * 32-bit transfers, the DMA engine can do longer segments than this
	 * but there is no way to represent that in the DMA model - if we
	 * increase this figure here, we get warnings from the DMA API debug.
	 */
	mmc->max_seg_size = min3(mmc->max_req_size,
			dma_get_max_seg_size(host->rx_chan->device->dev),
			dma_get_max_seg_size(host->tx_chan->device->dev));

	/* Request IRQ for MMC operations */
	ret = devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0,
			mmc_hostname(mmc), host);
+4 −4
Original line number Diff line number Diff line
@@ -510,25 +510,25 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)

	err = device_property_read_u32(host->mmc->parent,
			"nvidia,pad-autocal-pull-up-offset-3v3-timeout",
			&autocal->pull_up_3v3);
			&autocal->pull_up_3v3_timeout);
	if (err)
		autocal->pull_up_3v3_timeout = 0;

	err = device_property_read_u32(host->mmc->parent,
			"nvidia,pad-autocal-pull-down-offset-3v3-timeout",
			&autocal->pull_down_3v3);
			&autocal->pull_down_3v3_timeout);
	if (err)
		autocal->pull_down_3v3_timeout = 0;

	err = device_property_read_u32(host->mmc->parent,
			"nvidia,pad-autocal-pull-up-offset-1v8-timeout",
			&autocal->pull_up_1v8);
			&autocal->pull_up_1v8_timeout);
	if (err)
		autocal->pull_up_1v8_timeout = 0;

	err = device_property_read_u32(host->mmc->parent,
			"nvidia,pad-autocal-pull-down-offset-1v8-timeout",
			&autocal->pull_down_1v8);
			&autocal->pull_down_1v8_timeout);
	if (err)
		autocal->pull_down_1v8_timeout = 0;

+2 −2
Original line number Diff line number Diff line
@@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
{
	u16 ctrl2;

	ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
	ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
	if (ctrl2 & SDHCI_CTRL_V4_MODE)
		return;

	ctrl2 |= SDHCI_CTRL_V4_MODE;
	sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
	sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
}

/*