diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2013-09-13 11:31:33 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-10-30 20:26:29 -0400 |
| commit | 6904115095ad60ced638eb1e36e0e4e5e7de00b0 (patch) | |
| tree | 7bf979ff85dbf5a97c0aef99624293b67a54b094 /drivers/mmc/core/sd.c | |
| parent | db4a0d0512253c23a052ae650395c07d956118b3 (diff) | |
| download | talos-obmc-linux-6904115095ad60ced638eb1e36e0e4e5e7de00b0.tar.gz talos-obmc-linux-6904115095ad60ced638eb1e36e0e4e5e7de00b0.zip | |
mmc: core: Move cached value of the negotiated ocr mask to card struct
The negotiated ocr mask is directly related to the card. Once a card
gets removed, the mask shall be dropped. By moving the cache of the ocr
mask from the host struct to the card struct we have accomplished this.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/core/sd.c')
| -rw-r--r-- | drivers/mmc/core/sd.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 5818887fffb3..398065c57edf 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -721,6 +721,7 @@ int mmc_sd_get_cid(struct mmc_host *host, u32 ocr, u32 *cid, u32 *rocr) int err; u32 max_current; int retries = 10; + u32 pocr = ocr; try_again: if (!retries) { @@ -774,7 +775,7 @@ try_again: if (!mmc_host_is_spi(host) && rocr && ((*rocr & 0x41000000) == 0x41000000)) { err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180, - host->ocr); + pocr); if (err == -EAGAIN) { retries--; goto try_again; @@ -936,6 +937,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, if (IS_ERR(card)) return PTR_ERR(card); + card->ocr = ocr; card->type = MMC_TYPE_SD; memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); } @@ -1100,9 +1102,9 @@ static int mmc_sd_resume(struct mmc_host *host) BUG_ON(!host->card); mmc_claim_host(host); - mmc_power_up(host, host->ocr); - mmc_select_voltage(host, host->ocr); - err = mmc_sd_init_card(host, host->ocr, host->card); + mmc_power_up(host, host->card->ocr); + mmc_select_voltage(host, host->card->ocr); + err = mmc_sd_init_card(host, host->card->ocr, host->card); mmc_release_host(host); return err; @@ -1145,7 +1147,7 @@ static int mmc_sd_runtime_resume(struct mmc_host *host) mmc_claim_host(host); - mmc_power_up(host, host->ocr); + mmc_power_up(host, host->card->ocr); err = mmc_sd_resume(host); if (err) pr_err("%s: error %d doing aggessive resume\n", @@ -1161,7 +1163,7 @@ static int mmc_sd_power_restore(struct mmc_host *host) host->card->state &= ~MMC_STATE_HIGHSPEED; mmc_claim_host(host); - ret = mmc_sd_init_card(host, host->ocr, host->card); + ret = mmc_sd_init_card(host, host->card->ocr, host->card); mmc_release_host(host); return ret; @@ -1206,7 +1208,7 @@ static void mmc_sd_attach_bus_ops(struct mmc_host *host) int mmc_attach_sd(struct mmc_host *host) { int err; - u32 ocr; + u32 ocr, rocr; BUG_ON(!host); WARN_ON(!host->claimed); @@ -1249,12 +1251,12 @@ int mmc_attach_sd(struct mmc_host *host) ocr &= ~MMC_VDD_165_195; } - host->ocr = mmc_select_voltage(host, ocr); + rocr = mmc_select_voltage(host, ocr); /* * Can we support the voltage(s) of the card(s)? */ - if (!host->ocr) { + if (!rocr) { err = -EINVAL; goto err; } @@ -1262,7 +1264,7 @@ int mmc_attach_sd(struct mmc_host *host) /* * Detect and init the card. */ - err = mmc_sd_init_card(host, host->ocr, NULL); + err = mmc_sd_init_card(host, rocr, NULL); if (err) goto err; |
