path: root/drivers/acpi
diff options
authorLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 11:52:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 11:52:20 -0800
commit2155e69a9d9acd42488ef994a4e1ff535438c128 (patch)
tree36963cdc0393d567a6d83220e295e13429c6b54d /drivers/acpi
parent2382dc9a3eca644147be83dd2cd0dd64dc9e3e8c (diff)
parent330542fc1c62e51952a9b5e71bb4bf83ad60bb92 (diff)
Merge tag 'dmaengine-4.16-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul: "This time is smallish update with updates mainly to drivers: - updates to xilinx and zynqmp dma controllers - update reside calculation for rcar controller - more RSTify fixes for documentation - add support for race free transfer termination and updating for users for that - support for new rev of hidma with addition new APIs to get device match data in ACPI/OF - random updates to bunch of other drivers" * tag 'dmaengine-4.16-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (47 commits) dmaengine: dmatest: fix container_of member in dmatest_callback dmaengine: stm32-dmamux: Remove unnecessary platform_get_resource() error check dmaengine: sprd: statify 'sprd_dma_prep_dma_memcpy' dmaengine: qcom_hidma: simplify DT resource parsing dmaengine: xilinx_dma: Free BD consistent memory dmaengine: xilinx_dma: Fix warning variable prev set but not used dmaengine: xilinx_dma: properly configure the SG mode bit in the driver for cdma dmaengine: doc: format struct fields using monospace dmaengine: doc: fix bullet list formatting dmaengine: ti-dma-crossbar: Fix event mapping for TPCC_EVT_MUX_60_63 dmaengine: cppi41: Fix channel queues array size check dmaengine: imx-sdma: Add MODULE_FIRMWARE dmaengine: xilinx_dma: Fix typos dmaengine: xilinx_dma: Differentiate probe based on the ip type dmaengine: xilinx_dma: fix style issues from checkpatch dmaengine: xilinx_dma: Fix kernel doc warnings dmaengine: xilinx_dma: Fix race condition in the driver for multiple descriptor scenario dmaeninge: xilinx_dma: Fix bug in multiple frame stores scenario in vdma dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor dmaengine: zynqmp_dma: Fix race condition in the probe ...
Diffstat (limited to 'drivers/acpi')
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 4d0979e02a28..f87ed3be779a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -785,6 +785,24 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
+void *acpi_get_match_data(const struct device *dev)
+ const struct acpi_device_id *match;
+ if (!dev->driver)
+ return NULL;
+ if (!dev->driver->acpi_match_table)
+ return NULL;
+ match = acpi_match_device(dev->driver->acpi_match_table, dev);
+ if (!match)
+ return NULL;
+ return (void *)match->driver_data;
int acpi_match_device_ids(struct acpi_device *device,
const struct acpi_device_id *ids)
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index e26ea209b63e..466d1503aba0 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1271,9 +1271,17 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
return 0;
+static void *
+acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode,
+ const struct device *dev)
+ return acpi_get_match_data(dev);
const struct fwnode_operations ops = { \
.device_is_available = acpi_fwnode_device_is_available, \
+ .device_get_match_data = acpi_fwnode_device_get_match_data, \
.property_present = acpi_fwnode_property_present, \
.property_read_int_array = \
acpi_fwnode_property_read_int_array, \

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