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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-07 17:40:00 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-04-11 15:57:51 +0200 |
| commit | 64cc568eda4c72d5e1fc05b5fc3a3792a8f7c22e (patch) | |
| tree | 46a470e4ee8a921f21e08fe2e98b38e1d9f0188b | |
| parent | 99b9ca240ddccf63ab0e3eefbcf5e466220bb7c0 (diff) | |
| download | barebox-64cc568eda4c72d5e1fc05b5fc3a3792a8f7c22e.tar.gz barebox-64cc568eda4c72d5e1fc05b5fc3a3792a8f7c22e.tar.xz | |
mci: make write support optional
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/mci/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/mci/mci-core.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mci/Kconfig b/drivers/mci/Kconfig index 9cb7eb6f85..cfed72f71d 100644 --- a/drivers/mci/Kconfig +++ b/drivers/mci/Kconfig @@ -25,6 +25,11 @@ config MCI_INFO This entry adds more info about the attached MCI card, when the 'devinfo' command is used on the mci device. +config MCI_WRITE + bool "Support writing to MCI cards" + default y + select ATA_WRITE + comment "--- MCI host drivers ---" config MCI_MXS diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index 8fd948c33b..4752b3ddb2 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -106,6 +106,7 @@ static void *sector_buf; * @param blocknum Block number to write * @return Transaction status (0 on success) */ +#ifdef CONFIG_MCI_WRITE static int mci_block_write(struct device_d *mci_dev, const void *src, unsigned blocknum) { struct mci *mci = GET_MCI_DATA(mci_dev); @@ -132,6 +133,7 @@ static int mci_block_write(struct device_d *mci_dev, const void *src, unsigned b return mci_send_cmd(mci_dev, &cmd, &data); } +#endif /** * Read one block of data from the card @@ -944,6 +946,7 @@ static int sd_send_if_cond(struct device_d *mci_dev) * * This routine expects the buffer has the correct size to read all data! */ +#ifdef CONFIG_MCI_WRITE static int mci_sd_write(struct device_d *disk_dev, uint64_t sector_start, unsigned sector_count, const void *buffer) { @@ -980,6 +983,7 @@ static int mci_sd_write(struct device_d *disk_dev, uint64_t sector_start, return 0; } +#endif /** * Read a chunk of sectors from media @@ -1218,7 +1222,9 @@ static int mci_card_probe(struct device_d *mci_dev) disk_dev = xzalloc(sizeof(struct device_d) + sizeof(struct ata_interface)); p = (struct ata_interface*)&disk_dev[1]; +#ifdef CONFIG_MCI_WRITE p->write = mci_sd_write; +#endif p->read = mci_sd_read; p->priv = mci_dev; |