| Message ID | 20191021105822.20271-10-lee.jones@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Simplify MFD Core | expand |
On Mon, Oct 21, 2019 at 11:58:22AM +0100, Lee Jones wrote: > Most of the complexity of mfd_platform_add_cell() has been removed. The > only functionality left duplicates cell memory into the child's platform > device. Since it's only a few lines, moving it to the main thread and > removing the superfluous function makes sense. > > Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> > --- > drivers/mfd/mfd-core.c | 21 ++++----------------- > 1 file changed, 4 insertions(+), 17 deletions(-) > > diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c > index 5d56015baeeb..849dbe3798b0 100644 > --- a/drivers/mfd/mfd-core.c > +++ b/drivers/mfd/mfd-core.c > @@ -49,19 +49,6 @@ int mfd_cell_disable(struct platform_device *pdev) > } > EXPORT_SYMBOL(mfd_cell_disable); > > -static int mfd_platform_add_cell(struct platform_device *pdev, > - const struct mfd_cell *cell) > -{ > - if (!cell) > - return 0; > - > - pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL); > - if (!pdev->mfd_cell) > - return -ENOMEM; > - > - return 0; > -} > - > #if IS_ENABLED(CONFIG_ACPI) > static void mfd_acpi_add_device(const struct mfd_cell *cell, > struct platform_device *pdev) > @@ -141,6 +128,10 @@ static int mfd_add_device(struct device *parent, int id, > if (!pdev) > goto fail_alloc; > > + pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL); > + if (!pdev->mfd_cell) > + goto fail_device; > + > res = kcalloc(cell->num_resources, sizeof(*res), GFP_KERNEL); > if (!res) > goto fail_device; > @@ -183,10 +174,6 @@ static int mfd_add_device(struct device *parent, int id, > goto fail_alias; > } > > - ret = mfd_platform_add_cell(pdev, cell); > - if (ret) > - goto fail_alias; > - > for (r = 0; r < cell->num_resources; r++) { > res[r].name = cell->resources[r].name; > res[r].flags = cell->resources[r].flags; > -- > 2.17.1 >
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 5d56015baeeb..849dbe3798b0 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -49,19 +49,6 @@ int mfd_cell_disable(struct platform_device *pdev) } EXPORT_SYMBOL(mfd_cell_disable); -static int mfd_platform_add_cell(struct platform_device *pdev, - const struct mfd_cell *cell) -{ - if (!cell) - return 0; - - pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL); - if (!pdev->mfd_cell) - return -ENOMEM; - - return 0; -} - #if IS_ENABLED(CONFIG_ACPI) static void mfd_acpi_add_device(const struct mfd_cell *cell, struct platform_device *pdev) @@ -141,6 +128,10 @@ static int mfd_add_device(struct device *parent, int id, if (!pdev) goto fail_alloc; + pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL); + if (!pdev->mfd_cell) + goto fail_device; + res = kcalloc(cell->num_resources, sizeof(*res), GFP_KERNEL); if (!res) goto fail_device; @@ -183,10 +174,6 @@ static int mfd_add_device(struct device *parent, int id, goto fail_alias; } - ret = mfd_platform_add_cell(pdev, cell); - if (ret) - goto fail_alias; - for (r = 0; r < cell->num_resources; r++) { res[r].name = cell->resources[r].name; res[r].flags = cell->resources[r].flags;
Most of the complexity of mfd_platform_add_cell() has been removed. The only functionality left duplicates cell memory into the child's platform device. Since it's only a few lines, moving it to the main thread and removing the superfluous function makes sense. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/mfd/mfd-core.c | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-)