From: Russell King - ARM Linux Date: Thu, 21 Jul 2011 16:11:46 +0000 (+0100) Subject: DMA: PL08x: select LLI bus only once per LLI setup X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=25c94f7fcf70d94e12401b9c957ddf1d303061a3;p=linux-beck.git DMA: PL08x: select LLI bus only once per LLI setup Avoid re-selecting the LLI bus each time we create an LLI. Move it out of the LLI setup loops. Acked-by: Linus Walleij Signed-off-by: Russell King Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 90db51f2d001..6808f7dc52c7 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -491,10 +491,10 @@ static inline u32 pl08x_cctl_bits(u32 cctl, u8 srcwidth, u8 dstwidth, struct pl08x_lli_build_data { struct pl08x_txd *txd; - struct pl08x_driver_data *pl08x; struct pl08x_bus_data srcbus; struct pl08x_bus_data dstbus; size_t remainder; + u32 lli_bus; }; /* @@ -547,8 +547,7 @@ static void pl08x_fill_lli_for_desc(struct pl08x_lli_build_data *bd, llis_va[num_llis].src = bd->srcbus.addr; llis_va[num_llis].dst = bd->dstbus.addr; llis_va[num_llis].lli = llis_bus + (num_llis + 1) * sizeof(struct pl08x_lli); - if (bd->pl08x->lli_buses & PL08X_AHB2) - llis_va[num_llis].lli |= PL080_LLI_LM_AHB2; + llis_va[num_llis].lli |= bd->lli_bus; if (cctl & PL080_CONTROL_SRC_INCR) bd->srcbus.addr += len; @@ -601,9 +600,9 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, cctl = txd->cctl; bd.txd = txd; - bd.pl08x = pl08x; bd.srcbus.addr = txd->src_addr; bd.dstbus.addr = txd->dst_addr; + bd.lli_bus = (pl08x->lli_buses & PL08X_AHB2) ? PL080_LLI_LM_AHB2 : 0; /* Find maximum width of the source bus */ bd.srcbus.maxwidth =