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authorAlan Cox <alan@linux.intel.com>2009-08-06 20:45:35 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:12 -0700
commit794f1d789520d423ef6d90d5390edea5c1b687c2 (patch)
treec6c600391d9880bf5b110b6f3dc352b8cf7beb96 /drivers/staging/sep
parent79de99e864fb731392bec78f251ce0310fed5d9a (diff)
Staging: sep: We have two different repeats of the same logic
So how about a little helper Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/sep')
-rw-r--r--drivers/staging/sep/sep_main_mod.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/staging/sep/sep_main_mod.c b/drivers/staging/sep/sep_main_mod.c
index 7e2fd3d1fbe..b739f7d4629 100644
--- a/drivers/staging/sep/sep_main_mod.c
+++ b/drivers/staging/sep/sep_main_mod.c
@@ -3803,6 +3803,15 @@ static int sep_set_time(unsigned long *address_ptr,
return 0;
}
+static void sep_wait_busy(struct sep_device *dev)
+{
+ u32 reg;
+
+ do {
+ reg = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
+ } while (reg);
+}
+
/*
PATCH for configuring the DMA to single burst instead of multi-burst
*/
@@ -3822,9 +3831,7 @@ static void sep_configure_dma_burst(void)
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");
- regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
- while (regVal)
- regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
+ sep_wait_busy(sep_dev);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
@@ -3834,9 +3841,7 @@ static void sep_configure_dma_burst(void)
/* release the sep busy */
sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
- regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
- while (regVal != 0x0)
- regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
+ sep_wait_busy(sep_dev);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_configure_dma_burst done \n");