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6df8f913d2
linux/drivers/dma
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Anup Patel 6df8f913d2 dmaengine: bcm-sba-raid: Peek mbox when we have no free requests 
When setting up RAID array on several NVMe disks we observed that
sba_alloc_request() start failing (due to no free requests left)
and RAID array setup becomes very slow.

To improve performance, we do mbox channel peek when we have
no free requests. This improves performance of RAID array setup
because mbox requests that were completed but not processed by
mbox completion worker will be processed immediately by mbox
channel peek.

Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2017-08-28 16:44:24 +05:30
..
bestcomm dmaengine: NO_IRQ removal from powerpc-only drivers 2016-09-14 18:57:38 +05:30
dw dmaengine: DW DMAC: Handle return value of clk_prepare_enable 2017-05-24 09:55:17 +05:30
hsu serial: 8250_mid: handle interrupt correctly in DMA case 2017-01-19 14:20:23 +01:00
ioat dmaengine updates for 4.13-rc1 2017-07-08 12:36:50 -07:00
ipu dmaengine: ipu: Make sure the interrupt routine checks all interrupts. 2017-01-02 10:48:44 +05:30
ppc4xx Merge branch 'topic/unmap_cleanup' into for-linus 2016-10-03 09:36:11 +05:30
qcom dmaengine: qcom_hidma: correct API violation for submit 2017-07-03 10:39:51 +05:30
sh dmaengine updates for 4.13-rc1 2017-07-08 12:36:50 -07:00
xilinx dmaengine: zynqmp_dma: Remove max len check in zynqmp_dma_prep_memcpy 2017-07-03 10:36:46 +05:30
acpi-dma.c dmaengine: acpi-dma: align debug message with flow 2016-02-22 09:06:09 +05:30
amba-pl08x.c dmaengine: pl08x: Add support for Faraday Technology FTDMAC020 2017-05-24 09:44:32 +05:30
at_hdmac_regs.h dmaengine: at_hdmac: use %pad format string for dma_addr_t 2015-11-16 09:21:05 +05:30
at_hdmac.c dmaengine: at_hdmac: move to dma_pool_zalloc 2016-12-08 21:24:17 +05:30
at_xdmac.c dmaengine: at_xdmac: don't restore unsaved status 2016-12-06 10:45:48 +05:30
bcm2835-dma.c dmaengine: bcm2835: Fix cyclic DMA period splitting 2017-03-06 08:49:11 +05:30
bcm-sba-raid.c dmaengine: bcm-sba-raid: Peek mbox when we have no free requests 2017-08-28 16:44:24 +05:30
coh901318_lli.c dmaengine: coh901318: use NULL for pointer initialization 2016-09-26 22:28:24 +05:30
coh901318.c Merge branch 'topic/err_reporting' into for-linus 2016-10-03 09:17:33 +05:30
coh901318.h
cppi41.c dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe() 2017-04-06 12:41:59 +05:30
dma-axi-dmac.c dmaengine: axi-dmac: Return IRQ_NONE if no IRQs are pending 2016-07-01 22:56:41 +05:30
dma-jz4740.c dmaengine: jz4740: remove unused arch header 2016-09-26 22:25:57 +05:30
dma-jz4780.c Merge branch 'topic/compile_test' into for-linus 2016-10-03 09:16:03 +05:30
dmaengine.c dmaengine: Fix array index out of bounds warning in __get_unmap_pool() 2017-03-14 10:11:27 +05:30
dmaengine.h dmaengine: add support to provide error result from a DMA transation 2016-08-08 08:11:42 +05:30
dmatest.c dmaengine: dmatest: Add check for supported buffer count (sg_buffers) 2017-05-01 15:51:06 +05:30
edma.c dmaengine updates for 4.10-rc1 2016-12-14 20:42:45 -08:00
ep93xx_dma.c dmaengine: ep93xx: Don't drain the transfers in terminate_all() 2017-05-24 09:52:46 +05:30
fsl_raid.c dmaengine: fsl_raid: make of_device_ids const. 2017-06-29 09:25:28 +05:30
fsl_raid.h dmaengine: Driver support for FSL RaidEngine device. 2015-04-02 16:10:27 +05:30
fsl-edma.c dmaengine: fsl-edma: kill the tasklets upon exit 2016-07-16 20:19:00 +05:30
fsldma.c dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly 2017-06-22 18:31:35 +05:30
fsldma.h dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly 2017-06-22 18:31:35 +05:30
idma64.c dmaengine: idma64: clear LLP_[SD]_EN bits in last descriptor 2016-02-15 22:06:45 +05:30
idma64.h asm-generic changes for 4.6 2016-03-24 23:13:48 -07:00
img-mdc-dma.c dmaengine: img-mdc: remove unused ‘prev_phys’ 2016-12-12 22:25:22 +05:30
imx-dma.c dmaengine: imx-dma: cleanup scatterlist layering violations 2017-06-01 22:09:12 +05:30
imx-sdma.c dmaengine: imx-sdma: Fix compilation warning. 2017-05-30 11:52:58 +05:30
iop-adma.c dmaengine: iop-adma: convert callback to helper function 2016-08-08 08:11:39 +05:30
k3dma.c dmaengine: k3dma: move to dma_pool_zalloc 2016-12-08 21:24:21 +05:30
Kconfig Merge branch 'topic/pl08x' into for-linus 2017-07-04 10:05:10 +05:30
lpc18xx-dmamux.c dmaengine: add driver for lpc18xx dmamux 2015-08-18 22:12:14 +05:30
Makefile dmaengine: Add Broadcom SBA RAID driver 2017-05-16 10:01:57 +05:30
mic_x100_dma.c dmaengine: mic_x100_dma: remove unused ‘data’ 2016-12-12 22:25:22 +05:30
mic_x100_dma.h dmaengine: Add an enum for the dmaengine alignment constraints 2015-08-05 10:53:52 +05:30
mmp_pdma.c dmaengine: mmp_pdma: convert callback to helper function 2016-08-08 08:11:39 +05:30
mmp_tdma.c Merge branch 'topic/err_reporting' into for-linus 2016-10-03 09:17:33 +05:30
moxart-dma.c dmaengine: moxart: remove NO_IRQ 2016-09-05 16:40:52 +05:30
mpc512x_dma.c Merge branch 'topic/err_reporting' into for-linus 2016-10-03 09:17:33 +05:30
mv_xor_v2.c dmaengine: mv_xor_v2: add support for suspend/resume 2017-05-14 18:24:46 +05:30
mv_xor.c dmaengine: mv_xor: use offset_in_page() macro 2017-04-24 18:40:03 +05:30
mv_xor.h dmaengine: mv_xor: Add support for scatter-gather DMA mode 2016-11-25 11:16:36 +05:30
mxs-dma.c dmaengine: mxs: Use %zu for printing a size_t variable 2017-06-15 09:44:45 +05:30
nbpfaxi.c dmaengine: nbpfaxi: add optional max-burst property for memory reads/writes 2016-11-14 10:07:58 +05:30
of-dma.c dmaengine: of_dma: approximate an average distribution 2016-05-14 13:34:10 +05:30
omap-dma.c dmaengine: omap-dma: port_window support correction for both direction 2017-06-20 11:45:01 +08:00
pch_dma.c dmaengine: pch_dma: remove unused ‘cookie’ 2016-12-12 22:25:22 +05:30
pl330.c dmaengine updates for 4.13-rc1 2017-07-08 12:36:50 -07:00
pxa_dma.c Revert "dmaengine: pxa_dma: add support for legacy transition" 2016-10-18 20:14:32 +05:30
s3c24xx-dma.c dmaengine: s3c24xx: remove unused ‘cdata’ 2016-12-12 22:25:22 +05:30
sa11x0-dma.c dmaengine: sa11x0: use correct print specifiers for size_t 2016-09-26 22:29:26 +05:30
sirf-dma.c dmaengine: sirf-dma: remove unused ‘sdesc’ 2016-12-12 22:25:22 +05:30
st_fdma.c dmaengine: st_fdma: Fix the error return code in st_fdma_probe() 2016-10-19 22:29:33 +05:30
st_fdma.h dmaengine: st_fdma: Add STMicroelectronics FDMA driver header file 2016-10-18 20:12:06 +05:30
ste_dma40_ll.c dmaengine: ste_dma40_ll: make d40_width_to_bits static 2016-06-08 08:59:55 +05:30
ste_dma40_ll.h
ste_dma40.c dmaengine: ste_dma40: Cleanup scatterlist layering violations 2017-06-01 22:09:12 +05:30
stm32-dma.c dmaengine: stm32-dma: fix up error dev_err message 2017-03-06 10:41:24 +05:30
sun4i-dma.c dmaengine: sun4i: fix invalid argument 2017-04-24 09:50:05 +05:30
sun6i-dma.c dmaengine: sun6i: fix the uninitialized value for v_lli 2016-11-25 11:49:38 +05:30
tegra20-apb-dma.c dmaengine: tegra-apb: Really fix runtime-pm usage 2017-06-30 11:13:44 +05:30
tegra210-adma.c dmaengine: tegra210-adma: Update driver to use of_pm_clk_add_clk 2016-08-22 11:55:05 +05:30
ti-dma-crossbar.c dmaengine: ti-dma-crossbar: Add some 'of_node_put()' in error path. 2017-01-02 10:37:26 +05:30
timb_dma.c dmaengine: timb_dma: convert callback to helper function 2016-08-08 08:11:41 +05:30
TODO
txx9dmac.c dmaengine: txx9dmac: convert callback to helper function 2016-08-08 08:11:41 +05:30
txx9dmac.h
virt-dma.c dmaengine: virt-dma: Convert to use list_for_each_entry_safe() 2017-04-26 09:03:27 +05:30
virt-dma.h dmaengine: virt-dma: move function declarations 2016-10-01 11:41:39 +05:30
xgene-dma.c dmaengine: xgene-dma: move unmap to before callback 2016-08-08 08:11:43 +05:30
zx_dma.c dmaengine: zx: fix build warning 2017-01-25 15:33:45 +05:30