adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-28 03:36:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

MIPS: Decrease size of au1xxx_dbdma_pm_regs[][]

Browse source 
There are 16 individual channels (NUM_DBDMA_CHANS) to save/restore plus the
global ddma block config (the +1).  The last register in a channel can be
skipped since it's read-only (at offset 0x18).

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Roel Kluin 2009-09-18 12:50:10 -07:00 committed by Ralf Baechle
parent eef34ec514
commit c2e3214907
1 changed files with 3 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
arch/mips/alchemy/common/dbdma.c
View file

@ -175,7 +175,7 @@ static dbdev_tab_t dbdev_tab[] = {
#define DBDEV_TAB_SIZE ARRAY_SIZE(dbdev_tab)
#ifdef CONFIG_PM
static u32 au1xxx_dbdma_pm_regs[NUM_DBDMA_CHANS + 1][8];
static u32 au1xxx_dbdma_pm_regs[NUM_DBDMA_CHANS + 1][6];
#endif
@ -993,14 +993,13 @@ void au1xxx_dbdma_suspend(void)
au1xxx_dbdma_pm_regs[0][3] = au_readl(addr + 0x0c);
/* save channel configurations */
for (i = 1, addr = DDMA_CHANNEL_BASE; i < NUM_DBDMA_CHANS; i++) {
for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) {
au1xxx_dbdma_pm_regs[i][0] = au_readl(addr + 0x00);
au1xxx_dbdma_pm_regs[i][1] = au_readl(addr + 0x04);
au1xxx_dbdma_pm_regs[i][2] = au_readl(addr + 0x08);
au1xxx_dbdma_pm_regs[i][3] = au_readl(addr + 0x0c);
au1xxx_dbdma_pm_regs[i][4] = au_readl(addr + 0x10);
au1xxx_dbdma_pm_regs[i][5] = au_readl(addr + 0x14);
au1xxx_dbdma_pm_regs[i][6] = au_readl(addr + 0x18);
/* halt channel */
au_writel(au1xxx_dbdma_pm_regs[i][0] & ~1, addr + 0x00);
@ -1027,14 +1026,13 @@ void au1xxx_dbdma_resume(void)
au_writel(au1xxx_dbdma_pm_regs[0][3], addr + 0x0c);
/* restore channel configurations */
for (i = 1, addr = DDMA_CHANNEL_BASE; i < NUM_DBDMA_CHANS; i++) {
for (i = 1, addr = DDMA_CHANNEL_BASE; i <= NUM_DBDMA_CHANS; i++) {
au_writel(au1xxx_dbdma_pm_regs[i][0], addr + 0x00);
au_writel(au1xxx_dbdma_pm_regs[i][1], addr + 0x04);
au_writel(au1xxx_dbdma_pm_regs[i][2], addr + 0x08);
au_writel(au1xxx_dbdma_pm_regs[i][3], addr + 0x0c);
au_writel(au1xxx_dbdma_pm_regs[i][4], addr + 0x10);
au_writel(au1xxx_dbdma_pm_regs[i][5], addr + 0x14);
au_writel(au1xxx_dbdma_pm_regs[i][6], addr + 0x18);
au_sync();
addr += 0x100; /* next channel base */
}