| Message ID | 20240701-b4-v6-10-topic-usbc-tcpci-v1-2-3fd5f4a193cc@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | AT24 EEPROM MTD Support | expand |
On 7/1/24 4:53 PM, Marco Felsch wrote: > Provide a simple helper to make it easy to detect an master mtd device. > > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> > --- > include/linux/mtd/mtd.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h > index 8d10d9d2e830..bf3fc2ea7230 100644 > --- a/include/linux/mtd/mtd.h > +++ b/include/linux/mtd/mtd.h > @@ -408,6 +408,11 @@ static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd) > return mtd; > } > > +static inline bool mtd_is_master(struct mtd_info *mtd) > +{ > + return mtd->parent ? false : true; Perhaps: return !mtd->parent; [...] MBR, Sergey
On 24-07-01, Sergei Shtylyov wrote: > On 7/1/24 4:53 PM, Marco Felsch wrote: > > > Provide a simple helper to make it easy to detect an master mtd device. > > > > Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> > > --- > > include/linux/mtd/mtd.h | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h > > index 8d10d9d2e830..bf3fc2ea7230 100644 > > --- a/include/linux/mtd/mtd.h > > +++ b/include/linux/mtd/mtd.h > > @@ -408,6 +408,11 @@ static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd) > > return mtd; > > } > > > > +static inline bool mtd_is_master(struct mtd_info *mtd) > > +{ > > + return mtd->parent ? false : true; > > Perhaps: > > return !mtd->parent; Sure, if you prefer this style rather I will change it. Regards, Marco
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 8d10d9d2e830..bf3fc2ea7230 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -408,6 +408,11 @@ static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd) return mtd; } +static inline bool mtd_is_master(struct mtd_info *mtd) +{ + return mtd->parent ? false : true; +} + static inline u64 mtd_get_master_ofs(struct mtd_info *mtd, u64 ofs) { while (mtd->parent) {
Provide a simple helper to make it easy to detect an master mtd device. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> --- include/linux/mtd/mtd.h | 5 +++++ 1 file changed, 5 insertions(+)