Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e923090ddd9fef1d4e06dc6c5295e29baced19f3
Commit: e923090ddd9fef1d4e06dc6c5295e29baced19f3
Parent: c7293870a93a99e9ce0f4d98f3a271539c7c6ad6
Author: Albert Lee <[EMAIL PROTECTED]>
AuthorDate: Mon Aug 20 16:56:29 2007 +0800
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:55:37 2007 -0400
libata: pata_pdc2027x PLL detection minor cleanup
Minor cleanup to remove the unneeded rmb()s per Jeff's advice. Also removed
the
pll_clock < 0 check since pll_clock now guaranteed to be >= 0 after
Mikael's patch.
Signed-off-by: Albert Lee <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/ata/pata_pdc2027x.c | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 40b070e..2141a99 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -561,12 +561,10 @@ static long pdc_read_counter(struct ata_host *host)
retry:
bccrl = readl(mmio_base + PDC_BYTE_COUNT) & 0x7fff;
bccrh = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0x7fff;
- rmb();
/* Read the counter values again for verification */
bccrlv = readl(mmio_base + PDC_BYTE_COUNT) & 0x7fff;
bccrhv = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0x7fff;
- rmb();
counter = (bccrh << 15) | bccrl;
@@ -741,9 +739,6 @@ static int pdc_hardware_init(struct ata_host *host,
unsigned int board_idx)
*/
pll_clock = pdc_detect_pll_input_clock(host);
- if (pll_clock < 0) /* counter overflow? Try again. */
- pll_clock = pdc_detect_pll_input_clock(host);
-
dev_printk(KERN_INFO, host->dev, "PLL input clock %ld kHz\n",
pll_clock/1000);
/* Adjust PLL control register */
-
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