| Message ID | 20220522202223.1343109-1-dario.binacchi@amarulasolutions.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | dmaengine: mxs: fix driver registering | expand |
On Sun, May 22, 2022 at 10:22:23PM +0200, Dario Binacchi wrote: > Driver registration fails on SOC imx8mn as its supplier, the clock > control module, is not ready. Since platform_driver_probe(), as > reported by its description, is incompatible with deferred probing, > we have to use platform_driver_register(). > > Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28") > Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com> > Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> > Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> > > --- > > drivers/dma/mxs-dma.c | 11 ++++------- > 1 file changed, 4 insertions(+), 7 deletions(-) > > diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c > index 994fc4d2aca4..b8a3e692330d 100644 > --- a/drivers/dma/mxs-dma.c > +++ b/drivers/dma/mxs-dma.c > @@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan, > return mxs_chan->status; > } > > -static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) > +static int mxs_dma_init(struct mxs_dma_engine *mxs_dma) > { > int ret; > > @@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec, > ofdma->of_node); > } > > -static int __init mxs_dma_probe(struct platform_device *pdev) > +static int mxs_dma_probe(struct platform_device *pdev) > { > struct device_node *np = pdev->dev.of_node; > const struct mxs_dma_type *dma_type; > @@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver = { > .name = "mxs-dma", > .of_match_table = mxs_dma_dt_ids, > }, > + .probe = mxs_dma_probe, > }; > > -static int __init mxs_dma_module_init(void) > -{ > - return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe); > -} > -subsys_initcall(mxs_dma_module_init); > +module_platform_driver(mxs_dma_driver); > -- > 2.32.0 > <formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly. </formletter>
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 994fc4d2aca4..b8a3e692330d 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan, return mxs_chan->status; } -static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) +static int mxs_dma_init(struct mxs_dma_engine *mxs_dma) { int ret; @@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec, ofdma->of_node); } -static int __init mxs_dma_probe(struct platform_device *pdev) +static int mxs_dma_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; const struct mxs_dma_type *dma_type; @@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver = { .name = "mxs-dma", .of_match_table = mxs_dma_dt_ids, }, + .probe = mxs_dma_probe, }; -static int __init mxs_dma_module_init(void) -{ - return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe); -} -subsys_initcall(mxs_dma_module_init); +module_platform_driver(mxs_dma_driver);
Driver registration fails on SOC imx8mn as its supplier, the clock control module, is not ready. Since platform_driver_probe(), as reported by its description, is incompatible with deferred probing, we have to use platform_driver_register(). Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28") Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- drivers/dma/mxs-dma.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)