| Message ID | 20180828093332.20674-5-brgl@bgdev.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | devres: provide and use devm_kstrdup_const() | expand |
Quoting Bartosz Golaszewski (2018-08-28 02:33:32) > Use devm_kstrdup_const() in the pmc-atom driver. This mostly serves as > an example of how to use this new routine to shrink driver code. > > While we're at it: replace a call to kcalloc() with devm_kcalloc(). > > Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> > --- Reviewed-by: Stephen Boyd <sboyd@kernel.org> If you want this example to be merged through the clk tree please resend after the other patches merge.
On Tue 28 Aug 02:33 PDT 2018, Bartosz Golaszewski wrote: > Use devm_kstrdup_const() in the pmc-atom driver. This mostly serves as > an example of how to use this new routine to shrink driver code. > > While we're at it: replace a call to kcalloc() with devm_kcalloc(). > > Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > drivers/clk/x86/clk-pmc-atom.c | 19 ++++--------------- > 1 file changed, 4 insertions(+), 15 deletions(-) > > diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c > index 08ef69945ffb..daa2192e6568 100644 > --- a/drivers/clk/x86/clk-pmc-atom.c > +++ b/drivers/clk/x86/clk-pmc-atom.c > @@ -253,14 +253,6 @@ static void plt_clk_unregister_fixed_rate_loop(struct clk_plt_data *data, > plt_clk_unregister_fixed_rate(data->parents[i]); > } > > -static void plt_clk_free_parent_names_loop(const char **parent_names, > - unsigned int i) > -{ > - while (i--) > - kfree_const(parent_names[i]); > - kfree(parent_names); > -} > - > static void plt_clk_unregister_loop(struct clk_plt_data *data, > unsigned int i) > { > @@ -286,8 +278,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, > if (!data->parents) > return ERR_PTR(-ENOMEM); > > - parent_names = kcalloc(nparents, sizeof(*parent_names), > - GFP_KERNEL); > + parent_names = devm_kcalloc(&pdev->dev, nparents, > + sizeof(*parent_names), GFP_KERNEL); > if (!parent_names) > return ERR_PTR(-ENOMEM); > > @@ -300,7 +292,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, > err = PTR_ERR(data->parents[i]); > goto err_unreg; > } > - parent_names[i] = kstrdup_const(clks[i].name, GFP_KERNEL); > + parent_names[i] = devm_kstrdup_const(&pdev->dev, > + clks[i].name, GFP_KERNEL); > } > > data->nparents = nparents; > @@ -308,7 +301,6 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, > > err_unreg: > plt_clk_unregister_fixed_rate_loop(data, i); > - plt_clk_free_parent_names_loop(parent_names, i); > return ERR_PTR(err); > } > > @@ -351,15 +343,12 @@ static int plt_clk_probe(struct platform_device *pdev) > goto err_unreg_clk_plt; > } > > - plt_clk_free_parent_names_loop(parent_names, data->nparents); > - > platform_set_drvdata(pdev, data); > return 0; > > err_unreg_clk_plt: > plt_clk_unregister_loop(data, i); > plt_clk_unregister_parents(data); > - plt_clk_free_parent_names_loop(parent_names, data->nparents); > return err; > } > > -- > 2.18.0 >
diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c index 08ef69945ffb..daa2192e6568 100644 --- a/drivers/clk/x86/clk-pmc-atom.c +++ b/drivers/clk/x86/clk-pmc-atom.c @@ -253,14 +253,6 @@ static void plt_clk_unregister_fixed_rate_loop(struct clk_plt_data *data, plt_clk_unregister_fixed_rate(data->parents[i]); } -static void plt_clk_free_parent_names_loop(const char **parent_names, - unsigned int i) -{ - while (i--) - kfree_const(parent_names[i]); - kfree(parent_names); -} - static void plt_clk_unregister_loop(struct clk_plt_data *data, unsigned int i) { @@ -286,8 +278,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, if (!data->parents) return ERR_PTR(-ENOMEM); - parent_names = kcalloc(nparents, sizeof(*parent_names), - GFP_KERNEL); + parent_names = devm_kcalloc(&pdev->dev, nparents, + sizeof(*parent_names), GFP_KERNEL); if (!parent_names) return ERR_PTR(-ENOMEM); @@ -300,7 +292,8 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, err = PTR_ERR(data->parents[i]); goto err_unreg; } - parent_names[i] = kstrdup_const(clks[i].name, GFP_KERNEL); + parent_names[i] = devm_kstrdup_const(&pdev->dev, + clks[i].name, GFP_KERNEL); } data->nparents = nparents; @@ -308,7 +301,6 @@ static const char **plt_clk_register_parents(struct platform_device *pdev, err_unreg: plt_clk_unregister_fixed_rate_loop(data, i); - plt_clk_free_parent_names_loop(parent_names, i); return ERR_PTR(err); } @@ -351,15 +343,12 @@ static int plt_clk_probe(struct platform_device *pdev) goto err_unreg_clk_plt; } - plt_clk_free_parent_names_loop(parent_names, data->nparents); - platform_set_drvdata(pdev, data); return 0; err_unreg_clk_plt: plt_clk_unregister_loop(data, i); plt_clk_unregister_parents(data); - plt_clk_free_parent_names_loop(parent_names, data->nparents); return err; }
Use devm_kstrdup_const() in the pmc-atom driver. This mostly serves as an example of how to use this new routine to shrink driver code. While we're at it: replace a call to kcalloc() with devm_kcalloc(). Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> --- drivers/clk/x86/clk-pmc-atom.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-)