Message ID | 20170919144218.23607-1-colin.king@canonical.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
* Colin King <colin.king@canonical.com> [170919 07:43]: > From: Colin Ian King <colin.king@canonical.com> > > Don't populate the read-only arrays prop2 and prop4 on the stack, instead > make them static const. Makes the object code smaller by over 230 bytes: > > Before: > text data bss dec hex filename > 28235 5820 192 34247 85c7 drivers/pinctrl/pinctrl-single.o > > After: > text data bss dec hex filename > 27839 5980 192 34011 84db drivers/pinctrl/pinctrl-single.o > > Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Tony Lindgren <tony@atomide.com> > --- > drivers/pinctrl/pinctrl-single.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c > index b8b3d932cd73..e6cd8de793e2 100644 > --- a/drivers/pinctrl/pinctrl-single.c > +++ b/drivers/pinctrl/pinctrl-single.c > @@ -873,13 +873,13 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, > int i = 0, nconfs = 0; > unsigned long *settings = NULL, *s = NULL; > struct pcs_conf_vals *conf = NULL; > - struct pcs_conf_type prop2[] = { > + static const struct pcs_conf_type prop2[] = { > { "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, }, > { "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, }, > { "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, }, > { "pinctrl-single,low-power-mode", PIN_CONFIG_LOW_POWER_MODE, }, > }; > - struct pcs_conf_type prop4[] = { > + static const struct pcs_conf_type prop4[] = { > { "pinctrl-single,bias-pullup", PIN_CONFIG_BIAS_PULL_UP, }, > { "pinctrl-single,bias-pulldown", PIN_CONFIG_BIAS_PULL_DOWN, }, > { "pinctrl-single,input-schmitt-enable", > -- > 2.14.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Sep 19, 2017 at 4:42 PM, Colin King <colin.king@canonical.com> wrote: > From: Colin Ian King <colin.king@canonical.com> > > Don't populate the read-only arrays prop2 and prop4 on the stack, instead > make them static const. Makes the object code smaller by over 230 bytes: > > Before: > text data bss dec hex filename > 28235 5820 192 34247 85c7 drivers/pinctrl/pinctrl-single.o > > After: > text data bss dec hex filename > 27839 5980 192 34011 84db drivers/pinctrl/pinctrl-single.o > > Signed-off-by: Colin Ian King <colin.king@canonical.com> Patch applied with Tony's ACK. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b8b3d932cd73..e6cd8de793e2 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -873,13 +873,13 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, int i = 0, nconfs = 0; unsigned long *settings = NULL, *s = NULL; struct pcs_conf_vals *conf = NULL; - struct pcs_conf_type prop2[] = { + static const struct pcs_conf_type prop2[] = { { "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, }, { "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, }, { "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, }, { "pinctrl-single,low-power-mode", PIN_CONFIG_LOW_POWER_MODE, }, }; - struct pcs_conf_type prop4[] = { + static const struct pcs_conf_type prop4[] = { { "pinctrl-single,bias-pullup", PIN_CONFIG_BIAS_PULL_UP, }, { "pinctrl-single,bias-pulldown", PIN_CONFIG_BIAS_PULL_DOWN, }, { "pinctrl-single,input-schmitt-enable",