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| author | Albert Lee <albertcc@tw.ibm.com> | 2007-08-20 12:56:29 +0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-10-12 22:55:37 +0400 |
| commit | e923090ddd9fef1d4e06dc6c5295e29baced19f3 (patch) | |
| tree | 907852433d5eb6504ca3766c5df868013e85c926 | |
| parent | c7293870a93a99e9ce0f4d98f3a271539c7c6ad6 (diff) | |
| download | linux-e923090ddd9fef1d4e06dc6c5295e29baced19f3.tar.xz | |
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 <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | 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 40b070ea85a1..2141a99e4da1 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 */ |