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| author | Mikael Pettersson <mikpe@it.uu.se> | 2007-09-11 22:28:37 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-09-11 22:28:37 +0200 |
| commit | 56fe23d5a702a39ee3bb29a04b55db292479d07a (patch) | |
| tree | 71631f145fe8969f0c4d347a37fb5435e733bef8 /drivers/ide/pci/pdc202xx_new.c | |
| parent | 58e47bb1767aa89bfa9cf7ecf4bc051886ae22b3 (diff) | |
pdc202xx_new: PLL detection fix
Fix a bitmask typo in the pdc202xx_new PLL frequency detection code
which causes it to truncate an intermediate difference to 26 bits
instead of the correct 30 bits (the PLL's bitwidth).
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/pdc202xx_new.c')
| -rw-r--r-- | drivers/ide/pci/pdc202xx_new.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index f74a02aba581..7b0e479c355c 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -341,7 +341,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base) */ usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 + (end_time.tv_usec - start_time.tv_usec); - pll_input = ((start_count - end_count) & 0x3ffffff) / 10 * + pll_input = ((start_count - end_count) & 0x3fffffff) / 10 * (10000000 / usec_elapsed); DBG("start[%ld] end[%ld]\n", start_count, end_count); |