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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-18 23:50:55 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-18 23:50:55 +0300
commitd90f351a9bec6af3e8e7cefbbff94072461c3c9a (patch)
tree71db07e8820b63a60fefcd7e3d1f044450a4b55d /arch
parentc1a198d9235b9e7d6942027374e44f78ebdcb455 (diff)
parent238d1c6041ebcb5ce7c075b696f6cc9962991e94 (diff)
downloadlinux-d90f351a9bec6af3e8e7cefbbff94072461c3c9a.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 updates from Hans-Christian Noren Egtvedt. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32: mmc: atmel: get rid of struct mci_dma_data mmc: atmel-mci: restore dma on AVR32 avr32: wire up missing syscalls avr32: wire up accept4 syscall
Diffstat (limited to 'arch')
-rw-r--r--arch/avr32/include/uapi/asm/unistd.h4
-rw-r--r--arch/avr32/kernel/syscall_table.S4
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c31
3 files changed, 31 insertions, 8 deletions
diff --git a/arch/avr32/include/uapi/asm/unistd.h b/arch/avr32/include/uapi/asm/unistd.h
index bbe2fba565cd..b60132bb27ea 100644
--- a/arch/avr32/include/uapi/asm/unistd.h
+++ b/arch/avr32/include/uapi/asm/unistd.h
@@ -333,5 +333,9 @@
#define __NR_memfd_create 318
#define __NR_bpf 319
#define __NR_execveat 320
+#define __NR_accept4 321
+#define __NR_userfaultfd 322
+#define __NR_membarrier 323
+#define __NR_mlock2 324
#endif /* _UAPI__ASM_AVR32_UNISTD_H */
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index c3b593bfc3b3..1915a443b491 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -334,4 +334,8 @@ sys_call_table:
.long sys_memfd_create
.long sys_bpf
.long sys_execveat /* 320 */
+ .long sys_accept4
+ .long sys_userfaultfd
+ .long sys_membarrier
+ .long sys_mlock2
.long sys_ni_syscall /* r8 is saturated at nr_syscalls */
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index b4cb3bd89d8a..bf445aa48282 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -17,7 +17,6 @@
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
-#include <linux/platform_data/mmc-atmel-mci.h>
#include <linux/atmel-mci.h>
#include <asm/io.h>
@@ -1321,11 +1320,26 @@ static struct clk atmel_mci0_pclk = {
.index = 9,
};
+static bool at32_mci_dma_filter(struct dma_chan *chan, void *pdata)
+{
+ struct dw_dma_slave *sl = pdata;
+
+ if (!sl)
+ return false;
+
+ if (sl->dma_dev == chan->device->dev) {
+ chan->private = sl;
+ return true;
+ }
+
+ return false;
+}
+
struct platform_device *__init
at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
struct platform_device *pdev;
- struct mci_dma_data *slave;
+ struct dw_dma_slave *slave;
u32 pioa_mask;
u32 piob_mask;
@@ -1344,17 +1358,18 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
ARRAY_SIZE(atmel_mci0_resource)))
goto fail;
- slave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
+ slave = kzalloc(sizeof(*slave), GFP_KERNEL);
if (!slave)
goto fail;
- slave->sdata.dma_dev = &dw_dmac0_device.dev;
- slave->sdata.src_id = 0;
- slave->sdata.dst_id = 1;
- slave->sdata.src_master = 1;
- slave->sdata.dst_master = 0;
+ slave->dma_dev = &dw_dmac0_device.dev;
+ slave->src_id = 0;
+ slave->dst_id = 1;
+ slave->src_master = 1;
+ slave->dst_master = 0;
data->dma_slave = slave;
+ data->dma_filter = at32_mci_dma_filter;
if (platform_device_add_data(pdev, data,
sizeof(struct mci_platform_data)))