| Message ID | 1427989171-1702-1-git-send-email-dbaryshkov@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Apr 02, 2015 at 06:39:31PM +0300, Dmitry Eremin-Solenikov wrote: > Fix the following warning by initializing necessary fields in the dma_device > structure. > > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:863 dma_async_device_register+0x2b4/0x4f0() > this driver doesn't support generic slave capabilities reporting > Modules linked in: > CPU: 0 PID: 1 Comm: swapper Not tainted 4.0.0-rc5+ #10 > Hardware name: Sharp-Collie > [<c0105cd8>] (unwind_backtrace) from [<c0103ef8>] (show_stack+0x10/0x14) > [<c0103ef8>] (show_stack) from [<c010e9b8>] (warn_slowpath_common+0x74/0xac) > [<c010e9b8>] (warn_slowpath_common) from [<c010ea20>] (warn_slowpath_fmt+0x30/0x40) > [<c010ea20>] (warn_slowpath_fmt) from [<c02956fc>] (dma_async_device_register+0x2b4/0x4f0) > [<c02956fc>] (dma_async_device_register) from [<c0296a9c>] (sa11x0_dma_probe+0x21c/0x358) > [<c0296a9c>] (sa11x0_dma_probe) from [<c02c52c0>] (platform_drv_probe+0x30/0x94) > [<c02c52c0>] (platform_drv_probe) from [<c02c39bc>] (driver_probe_device+0x84/0x234) > [<c02c39bc>] (driver_probe_device) from [<c02c3c4c>] (__driver_attach+0x98/0x9c) > [<c02c3c4c>] (__driver_attach) from [<c02c1f9c>] (bus_for_each_dev+0x74/0xa4) > [<c02c1f9c>] (bus_for_each_dev) from [<c02c3230>] (bus_add_driver+0x13c/0x1e8) > [<c02c3230>] (bus_add_driver) from [<c02c4260>] (driver_register+0x78/0xf8) > [<c02c4260>] (driver_register) from [<c0100624>] (do_one_initcall+0x84/0x1f4) > [<c0100624>] (do_one_initcall) from [<c0700e1c>] (kernel_init_freeable+0xf8/0x1b4) > [<c0700e1c>] (kernel_init_freeable) from [<c040a920>] (kernel_init+0x8/0xf0) > [<c040a920>] (kernel_init) from [<c01013a8>] (ret_from_fork+0x14/0x2c) > ---[ end trace e188b8fe0e782e75 ]--- > > Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
On Thu, Apr 02, 2015 at 06:39:31PM +0300, Dmitry Eremin-Solenikov wrote: > Fix the following warning by initializing necessary fields in the dma_device > structure. > Applied, thanks
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 5adf540..5ff43c0 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -948,6 +948,12 @@ static int sa11x0_dma_probe(struct platform_device *pdev) dma_cap_set(DMA_CYCLIC, d->slave.cap_mask); d->slave.device_prep_slave_sg = sa11x0_dma_prep_slave_sg; d->slave.device_prep_dma_cyclic = sa11x0_dma_prep_dma_cyclic; + d->slave.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + d->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; + d->slave.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES); + d->slave.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES); ret = sa11x0_dma_init_dmadev(&d->slave, &pdev->dev); if (ret) { dev_warn(d->slave.dev, "failed to register slave async device: %d\n",
Fix the following warning by initializing necessary fields in the dma_device structure. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:863 dma_async_device_register+0x2b4/0x4f0() this driver doesn't support generic slave capabilities reporting Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 4.0.0-rc5+ #10 Hardware name: Sharp-Collie [<c0105cd8>] (unwind_backtrace) from [<c0103ef8>] (show_stack+0x10/0x14) [<c0103ef8>] (show_stack) from [<c010e9b8>] (warn_slowpath_common+0x74/0xac) [<c010e9b8>] (warn_slowpath_common) from [<c010ea20>] (warn_slowpath_fmt+0x30/0x40) [<c010ea20>] (warn_slowpath_fmt) from [<c02956fc>] (dma_async_device_register+0x2b4/0x4f0) [<c02956fc>] (dma_async_device_register) from [<c0296a9c>] (sa11x0_dma_probe+0x21c/0x358) [<c0296a9c>] (sa11x0_dma_probe) from [<c02c52c0>] (platform_drv_probe+0x30/0x94) [<c02c52c0>] (platform_drv_probe) from [<c02c39bc>] (driver_probe_device+0x84/0x234) [<c02c39bc>] (driver_probe_device) from [<c02c3c4c>] (__driver_attach+0x98/0x9c) [<c02c3c4c>] (__driver_attach) from [<c02c1f9c>] (bus_for_each_dev+0x74/0xa4) [<c02c1f9c>] (bus_for_each_dev) from [<c02c3230>] (bus_add_driver+0x13c/0x1e8) [<c02c3230>] (bus_add_driver) from [<c02c4260>] (driver_register+0x78/0xf8) [<c02c4260>] (driver_register) from [<c0100624>] (do_one_initcall+0x84/0x1f4) [<c0100624>] (do_one_initcall) from [<c0700e1c>] (kernel_init_freeable+0xf8/0x1b4) [<c0700e1c>] (kernel_init_freeable) from [<c040a920>] (kernel_init+0x8/0xf0) [<c040a920>] (kernel_init) from [<c01013a8>] (ret_from_fork+0x14/0x2c) ---[ end trace e188b8fe0e782e75 ]--- Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> --- drivers/dma/sa11x0-dma.c | 6 ++++++ 1 file changed, 6 insertions(+)