Longhaul - Proper register access
PATCH 1/1 Longhaul - Proper register access
In previous commit I used u32 for u16 register. This code will work only when ACPI block address is set. For now it is only for VT8235 and VT8237.
Signed-off-by Rafal Bilski <[email protected]>
--- arch/i386/kernel/cpu/cpufreq/longhaul.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-)
arch/i386/kernel/cpu/cpufreq/longhaul.c +6 -6
@@ -247,7 +247,7 @@ static void longhaul_setstate(unsigned int table_index)struct cpufreq_freqs freqs;unsigned long flags;unsigned int pic1_mask, pic2_mask; -u32 bm_status =0 ; +u16 bm_status =0 ;u32 bm_timeout =1000 ;unsigned int dir =0 ;
@@ -281,14 +281,14 @@ static void longhaul_setstate(unsigned int table_index)outb (0xFE ,0x21 );/* TMR0 only */ /* Wait while PCI bus is busy. */ -if (longhaul_flags &USE_NORTHBRIDGE - || ((pr !=NULL ) && pr->flags.bm_control)) { - bm_status =inl (acpi_regs_addr); +if (acpi_regs_addr && (longhaul_flags &USE_NORTHBRIDGE + || ((pr !=NULL ) && pr->flags.bm_control))) { + bm_status =inw (acpi_regs_addr); bm_status &=1 <<4 ;while (bm_status && bm_timeout) { -outl (1 <<4 , acpi_regs_addr); +outw (1 <<4 , acpi_regs_addr); bm_timeout--; - bm_status =inl (acpi_regs_addr); + bm_status =inw (acpi_regs_addr); bm_status &=1 <<4 ; } }
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