From: Holger Schurig <holgerschurig@gmail.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
avi.shchislowski@sandisk.com, alex.lemberg@sandisk.com
Cc: Holger Schurig <holgerschurig@gmail.com>
Subject: [PATCH 5/6] mmc: move mmc_send_cxd_data() to core.c
Date: Fri, 13 Nov 2015 15:56:11 +0100 [thread overview]
Message-ID: <1447426572-11756-6-git-send-email-holgerschurig@gmail.com> (raw)
In-Reply-To: <1447426572-11756-1-git-send-email-holgerschurig@gmail.com>
This function can be used to send ext_csd data towards the chip, which is
needed in the (upcoming) firmware update patch.
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
---
drivers/mmc/core/mmc_ops.c | 4 ++--
include/linux/mmc/core.h | 3 +++
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 1f44426..d1d6abc 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -287,8 +287,7 @@ mmc_send_cxd_native(struct mmc_host *host, u32 arg, u32 *cxd, int opcode)
* NOTE: void *buf, caller for the buf is required to use DMA-capable
* buffer or on-stack buffer (with some overhead in callee).
*/
-static int
-mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
+int mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
u32 opcode, void *buf, unsigned len)
{
struct mmc_request mrq = {NULL};
@@ -336,6 +335,7 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
return 0;
}
+EXPORT_SYMBOL(mmc_send_cxd_data);
int mmc_send_csd(struct mmc_card *card, u32 *csd)
{
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 774846f..b0e0f15 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -162,6 +162,9 @@ extern void mmc_start_bkops(struct mmc_card *card, bool from_exception);
extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
extern int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
+extern int mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
+ u32 opcode, void *buf, unsigned len);
+
#define MMC_ERASE_ARG 0x00000000
#define MMC_SECURE_ERASE_ARG 0x80000000
--
2.1.4
next prev parent reply other threads:[~2015-11-13 14:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-13 14:56 [RFC 0/6] mmc: Field Firmware Update Holger Schurig
2015-11-13 14:56 ` [PATCH 1/6] mmc: move mmc_prepare_mrq() to core.c Holger Schurig
2015-11-13 14:56 ` [PATCH 2/6] mmc: move mmc_wait_busy() to core Holger Schurig
2015-11-13 14:56 ` [PATCH 3/6] mmc: move mmc_check_result() to core.c Holger Schurig
2015-11-13 14:56 ` [PATCH 4/6] mmc: move mmc_simple_transfer() " Holger Schurig
2015-11-13 14:56 ` Holger Schurig [this message]
2015-11-13 14:56 ` [PATCH 6/6] mmc: eMMC Field Firmware Update support Holger Schurig
2015-11-20 14:20 ` [RFC 0/6] mmc: Field Firmware Update Alan Cooper
2015-11-23 11:40 ` Avi Shchislowski
[not found] ` <CAOpc7mHbM8EYYNRKR+pKnzc0wf1DR1ojX-iFuDWDYyquC3EVZg@mail.gmail.com>
2015-12-15 15:35 ` Ulf Hansson
2015-12-22 8:15 ` Holger Schurig
2015-12-22 8:55 ` Ulf Hansson
2015-12-22 8:57 ` Ulf Hansson
2015-12-22 18:44 ` Olof Johansson
[not found] ` <CAG=SpYGf7czPwLrJVrq49n_Lhph33fmyKq-Nkm6=c0fB1Gn9_w@mail.gmail.com>
2016-01-14 12:50 ` Ulf Hansson
2015-12-28 14:12 ` Alex Lemberg
2016-01-14 13:16 ` Ulf Hansson
2016-04-02 0:23 ` Gwendal Grignou
2016-04-04 11:50 ` Ulf Hansson
2016-04-13 22:33 ` Gwendal Grignou
2016-04-14 8:35 ` Ulf Hansson
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