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authorRichard Purdie <rpurdie@rpsys.net>2005-09-06 18:18:56 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 19:57:51 -0400
commite619524fe5f5b0c13db34ed0f6320d2dcccf6e8d (patch)
tree1a87719691e0b9382693010c148efd4b26138395 /drivers/mmc
parent5b4fd9aef778e223968dfab1b90f905b3f2bd23d (diff)
[PATCH] Add write protection switch handling to the PXA MMC driver
Add a write protection switch handling code to the PXA MMC driver so that platform specific code can provide it if available. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/pxamci.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index b78beb1b0159..e99a53b09e32 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -362,6 +362,16 @@ static void pxamci_request(struct mmc_host *mmc, struct mmc_request *mrq)
362 pxamci_start_cmd(host, mrq->cmd, cmdat); 362 pxamci_start_cmd(host, mrq->cmd, cmdat);
363} 363}
364 364
365static int pxamci_get_ro(struct mmc_host *mmc)
366{
367 struct pxamci_host *host = mmc_priv(mmc);
368
369 if (host->pdata && host->pdata->get_ro)
370 return host->pdata->get_ro(mmc->dev);
371 /* Host doesn't support read only detection so assume writeable */
372 return 0;
373}
374
365static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) 375static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
366{ 376{
367 struct pxamci_host *host = mmc_priv(mmc); 377 struct pxamci_host *host = mmc_priv(mmc);
@@ -401,6 +411,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
401 411
402static struct mmc_host_ops pxamci_ops = { 412static struct mmc_host_ops pxamci_ops = {
403 .request = pxamci_request, 413 .request = pxamci_request,
414 .get_ro = pxamci_get_ro,
404 .set_ios = pxamci_set_ios, 415 .set_ios = pxamci_set_ios,
405}; 416};
406 417