Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
On 08/23/2013 09:48 AM, Anton Vorontsov wrote: On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote: We use host->ocr_mask to hold the voltage get from device-tree node, In case host->ocr_mask was available, we use host->ocr_mask as the final available voltage can be used by MMC/SD/SDIO card. Signed-off-by: Haijun Zhang --- Reviewed-by: Anton Vorontsov Thank you very much. -- Thanks & Regards Haijun ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
Hi, Chris Could help give some advice on this patch set ? Thanks in advance. On 08/23/2013 09:48 AM, Anton Vorontsov wrote: On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote: We use host->ocr_mask to hold the voltage get from device-tree node, In case host->ocr_mask was available, we use host->ocr_mask as the final available voltage can be used by MMC/SD/SDIO card. Signed-off-by: Haijun Zhang --- Reviewed-by: Anton Vorontsov -- Thanks & Regards Haijun ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote: > We use host->ocr_mask to hold the voltage get from device-tree > node, In case host->ocr_mask was available, we use host->ocr_mask > as the final available voltage can be used by MMC/SD/SDIO card. > > Signed-off-by: Haijun Zhang > --- Reviewed-by: Anton Vorontsov ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
[PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
We use host->ocr_mask to hold the voltage get from device-tree
node, In case host->ocr_mask was available, we use host->ocr_mask
as the final available voltage can be used by MMC/SD/SDIO card.
Signed-off-by: Haijun Zhang
---
changes for V3:
- changed the type of mask
drivers/mmc/host/sdhci.c | 3 +++
include/linux/mmc/sdhci.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a78bd4f..57541e0 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3119,6 +3119,9 @@ int sdhci_add_host(struct sdhci_host *host)
SDHCI_MAX_CURRENT_MULTIPLIER;
}
+ if (host->ocr_mask)
+ ocr_avail = host->ocr_mask;
+
mmc->ocr_avail = ocr_avail;
mmc->ocr_avail_sdio = ocr_avail;
if (host->ocr_avail_sdio)
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index e3c6a74..3e781b8 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -171,6 +171,7 @@ struct sdhci_host {
unsigned intocr_avail_sdio; /* OCR bit masks */
unsigned intocr_avail_sd;
unsigned intocr_avail_mmc;
+ u32 ocr_mask; /* available voltages */
wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read
Ready interrupt */
unsigned inttuning_done;/* Condition flag set when
CMD19 succeeds */
--
1.8.0
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