AuxXxilium/linux_dsm_epyc7002
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2d0a074517
linux_dsm_epyc7002/drivers/dma
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Thomas Petazzoni 2d0a074517 dma: mv_xor: use request_irq() instead of devm_request_irq() 
Even through the usage of devm_*() functions is generally recommended
over their classic variants, in the case of devm_request_irq()
combined with irq_of_parse_and_map(), it doesn't work nicely.

We have the following scenario:

 irq_of_parse_and_map(...)
 devm_request_irq(...)

For some reason, the driver initialization fails at a later
point. Since irq_of_parse_and_map() is no device-managed, we do a:

 irq_dispose_mapping(...)

Unfortunately, this doesn't work, because the free_irq() must be done
prior to calling irq_dispose_mapping(). But with the devm mechanism,
the automatic free_irq() would happen only after we get out of the
->probe() function.

So basically, we revert to using request_irq() with traditional error
handling, so that in case of error, free_irq() gets called before
irq_dispose_mapping().

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-22 18:19:09 +01:00
..
ioat Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
ipu dma: ipu: remove the use of ipu_platform_data 2012-07-01 21:57:43 +08:00
ppc4xx dma: fix comments 2012-09-01 08:57:12 -07:00
sh dmaengine: shdma: restore partial transfer calculation 2012-08-01 13:48:52 +09:00
amba-pl08x.c drivers/dma/amba-pl08x.c: fix error return code 2012-08-22 09:51:04 +05:30
at_hdmac_regs.h ARM: at91: move platform_data definitions 2012-09-14 11:16:40 +02:00
at_hdmac.c Sound updates for 3.7-rc1 2012-10-09 07:07:14 +09:00
coh901318_lli.c dmaengine: Use sg_dma_address instead of sg_phys 2012-05-11 12:04:38 +05:30
coh901318_lli.h dmaengine: move drivers to dma_transfer_direction 2011-10-27 20:53:43 +05:30
coh901318.c dma: coh901318: use devm allocation 2012-06-14 08:42:26 +05:30
dmaengine.c drivers/dma/dmaengine.c: lower the priority of 'failed to get' dma channel message 2012-10-06 03:04:36 +09:00
dmaengine.h dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
dmatest.c dmaengine: fix missing 'cnt' in ?: in dmatest 2012-01-23 11:43:18 -08:00
dw_dmac_regs.h drivers/dma/dw_dmac: make driver's endianness configurable 2012-10-25 14:37:53 -07:00
dw_dmac.c dw_dmac: fix a regression in dwc_prep_dma_memcpy 2012-10-02 13:18:00 +05:30
edma.c dmaengine: add TI EDMA DMA engine driver 2012-09-01 06:14:02 +05:30
ep93xx_dma.c Sound updates for 3.7-rc1 2012-10-09 07:07:14 +09:00
fsldma.c dma: fix comments 2012-09-01 08:57:12 -07:00
fsldma.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
imx-dma.c dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc() 2012-10-24 08:52:45 +05:30
imx-sdma.c Sound updates for 3.7-rc1 2012-10-09 07:07:14 +09:00
intel_mid_dma_regs.h dma: fix comments 2012-09-01 08:57:12 -07:00
intel_mid_dma.c treewide: fix comment/printk/variable typos 2012-09-01 10:33:05 -07:00
iop-adma.c dmaengine-fixes for 3.4-rc3 2012-04-10 15:30:16 -07:00
iovlock.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kconfig drivers/dma/dw_dmac: make driver's endianness configurable 2012-10-25 14:37:53 -07:00
Makefile dmaengine: mmp-pdma support 2012-09-14 08:14:07 +05:30
mmp_pdma.c dmaengine: mmp-pdma support 2012-09-14 08:14:07 +05:30
mmp_tdma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
mpc512x_dma.c dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
mv_xor.c dma: mv_xor: use request_irq() instead of devm_request_irq() 2012-11-22 18:19:09 +01:00
mv_xor.h dma: mv_xor: clear the window override control registers 2012-11-22 18:16:37 +01:00
mxs-dma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
omap-dma.c Sound updates for 3.7-rc1 2012-10-09 07:07:14 +09:00
pch_dma.c dmaengine: Use sg_dma_address instead of sg_phys 2012-05-11 12:04:38 +05:30
pl330.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
sa11x0-dma.c dmaengine: Pass flags via device_prep_dma_cyclic() callback 2012-09-22 11:12:45 -04:00
sirf-dma.c dmaengine: sirf: fix a typo in moving running dma_desc to active queue 2012-10-24 16:30:38 +05:30
ste_dma40_ll.c dma40: cyclic xfer support 2011-01-30 22:27:21 -08:00
ste_dma40_ll.h dma: fix comments 2012-09-01 08:57:12 -07:00
ste_dma40.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
tegra20-apb-dma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
timb_dma.c dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic 2012-03-21 19:20:23 +05:30
TODO dmaengine: remove ste_dma40 from issue_pending TODO 2011-07-14 04:02:08 +05:30
txx9dmac.c dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic 2012-03-21 19:20:23 +05:30
txx9dmac.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
virt-dma.c dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00
virt-dma.h dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00