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Merge branch 'topic/dw' into for-linus

This commit is contained in:
Vinod Koul 2015-10-29 10:31:11 +09:00
parent 28ca3e8556 49dfebebfb
commit 0d49fee9c1
3 changed files with 14 additions and 27 deletions
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9
arch/avr32/mach-at32ap/at32ap700x.c
View File

@ -603,18 +603,11 @@ static void __init genclk_init_parent(struct clk *clk)
clk->parent = parent;
}
static struct dw_dma_platform_data dw_dmac0_data = {
.nr_channels = 3,
.block_size = 4095U,
.nr_masters = 2,
.data_width = { 2, 2 },
};
static struct resource dw_dmac0_resource[] = {
PBMEM(0xff200000),
IRQ(2),
};
DEFINE_DEV_DATA(dw_dmac, 0);
DEFINE_DEV(dw_dmac, 0);
DEV_CLK(hclk, dw_dmac0, hsb, 10);
/* --------------------------------------------------------------------

12
drivers/dma/dw/core.c
View File

@ -163,7 +163,7 @@ static void dwc_initialize(struct dw_dma_chan *dwc)
/*----------------------------------------------------------------------*/
static inline unsigned int dwc_fast_fls(unsigned long long v)
static inline unsigned int dwc_fast_ffs(unsigned long long v)
{
/*
* We can be a lot more clever here, but this should take care
@ -712,7 +712,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
dw->data_width[dwc->dst_master]);
src_width = dst_width = min_t(unsigned int, data_width,
dwc_fast_fls(src | dest | len));
dwc_fast_ffs(src | dest | len));
ctllo = DWC_DEFAULT_CTLLO(chan)
| DWC_CTLL_DST_WIDTH(dst_width)
@ -791,7 +791,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
switch (direction) {
case DMA_MEM_TO_DEV:
reg_width = __fls(sconfig->dst_addr_width);
reg_width = __ffs(sconfig->dst_addr_width);
reg = sconfig->dst_addr;
ctllo = (DWC_DEFAULT_CTLLO(chan)
| DWC_CTLL_DST_WIDTH(reg_width)
@ -811,7 +811,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
len = sg_dma_len(sg);
mem_width = min_t(unsigned int,
data_width, dwc_fast_fls(mem | len));
data_width, dwc_fast_ffs(mem | len));
slave_sg_todev_fill_desc:
desc = dwc_desc_get(dwc);
@ -848,7 +848,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
}
break;
case DMA_DEV_TO_MEM:
reg_width = __fls(sconfig->src_addr_width);
reg_width = __ffs(sconfig->src_addr_width);
reg = sconfig->src_addr;
ctllo = (DWC_DEFAULT_CTLLO(chan)
| DWC_CTLL_SRC_WIDTH(reg_width)
@ -868,7 +868,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
len = sg_dma_len(sg);
mem_width = min_t(unsigned int,
data_width, dwc_fast_fls(mem | len));
data_width, dwc_fast_ffs(mem | len));
slave_sg_fromdev_fill_desc:
desc = dwc_desc_get(dwc);

20
drivers/dma/dw/pci.c
View File

@ -15,12 +15,6 @@
#include "internal.h"
static struct dw_dma_platform_data dw_pci_pdata = {
.is_private = 1,
.chan_allocation_order = CHAN_ALLOCATION_ASCENDING,
.chan_priority = CHAN_PRIORITY_ASCENDING,
};
static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
{
struct dw_dma_chip *chip;
@ -101,19 +95,19 @@ static const struct dev_pm_ops dw_pci_dev_pm_ops = {
static const struct pci_device_id dw_pci_id_table[] = {
/* Medfield */
{ PCI_VDEVICE(INTEL, 0x0827), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x0830), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x0827) },
{ PCI_VDEVICE(INTEL, 0x0830) },
/* BayTrail */
{ PCI_VDEVICE(INTEL, 0x0f06), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x0f40), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x0f06) },
{ PCI_VDEVICE(INTEL, 0x0f40) },
/* Braswell */
{ PCI_VDEVICE(INTEL, 0x2286), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x22c0), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x2286) },
{ PCI_VDEVICE(INTEL, 0x22c0) },
/* Haswell */
{ PCI_VDEVICE(INTEL, 0x9c60), (kernel_ulong_t)&dw_pci_pdata },
{ PCI_VDEVICE(INTEL, 0x9c60) },
{ }
};
MODULE_DEVICE_TABLE(pci, dw_pci_id_table);