[PATCH] libata: make ata_sff_data_xfer_noirq() work with 32-bit PIO
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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: 2011-10-13 13:20:52
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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: 2011-10-13 13:20:52
Also in:
lkml
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Subject: [PATCH] libata: make ata_sff_data_xfer_noirq() work with 32-bit PIO Always use ata_sff_data_xfer32() in ata_sff_data_xfer_noirq() so the latter can be also used for host controllers supporting 32-bit PIO operations. It is a completely safe thing to do because if 32-bit PIO is not supported or enabled ata_sff_data_xfer32() will fallback to a standard method. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- earlier references: https://lkml.org/lkml/2009/11/25/335 drivers/ata/libata-sff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/drivers/ata/libata-sff.c ===================================================================
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c@@ -838,7 +838,7 @@ unsigned int ata_sff_data_xfer_noirq(str unsigned int consumed; local_irq_save(flags); - consumed = ata_sff_data_xfer(dev, buf, buflen, rw); + consumed = ata_sff_data_xfer32(dev, buf, buflen, rw); local_irq_restore(flags); return consumed;