Hi,
2025년 10월 21일 (화) 23:24, Kaustabh Chakraborty <[email protected]>님이 작성: > There is a condition guard which ensures that the GPIO node, indeed > describes a GPIO controller. > > if (!fdtdec_get_bool(blob, node, "gpio-controller")) > continue; > > Since the bank base is being incremented in the loop, it is done so > irrespective of whether the node is a GPIO controller or not. This leads > to the incorrect resolution of bank base addresses. > > Move it out of the loop, and instead increment the bank base address > only if the driver successfully binds a GPIO controller. > > Reviewed-by: Henrik Grimler <[email protected]> > Fixes: b8809e60cdb5 ("dm: exynos: gpio: Convert to driver model") > Signed-off-by: Kaustabh Chakraborty <[email protected]> > --- > Changes in v2: > - collect Reviewed-by: tags > - add Fixes: tag (Henrik Grimler) > - Link to v1: > https://lore.kernel.org/r/[email protected] > --- > drivers/gpio/s5p_gpio.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c > index > 53dbbe97b5a02d09fbf0124268faaffa31b1315f..c072f146514c63cdc98e907983a904f05cd118e7 > 100644 > --- a/drivers/gpio/s5p_gpio.c > +++ b/drivers/gpio/s5p_gpio.c > @@ -319,7 +319,7 @@ static int gpio_exynos_bind(struct udevice *parent) > base = dev_read_addr_ptr(parent); > for (node = fdt_first_subnode(blob, dev_of_offset(parent)), bank = > base; > node > 0; > - node = fdt_next_subnode(blob, node), bank++) { > + node = fdt_next_subnode(blob, node)) { > struct exynos_gpio_plat *plat; > struct udevice *dev; > fdt_addr_t reg; > @@ -341,9 +341,8 @@ static int gpio_exynos_bind(struct udevice *parent) > if (reg != FDT_ADDR_T_NONE) > bank = (struct s5p_gpio_bank *)((ulong)base + reg); > > - plat->bank = bank; > - > debug("dev at %p: %s\n", bank, plat->bank_name); > + plat->bank = bank++; > } > > return 0; > > --- > base-commit: 582a04763aa80738c1c8ac60c47d1a5159a42833 > change-id: 20251014-gpio-s5p-bank-fix-1d008cb2a1a9 > > Best regards, > -- > Kaustabh Chakraborty <[email protected]> > applied to u-boot-samsung. Thanks, Minkyu Kang. > >
