> -----Original Message----- > From: U-Boot [mailto:[email protected]] On Behalf Of Zhiqiang > Hou > Sent: Friday, March 03, 2017 7:01 PM > To: [email protected]; [email protected]; york sun <[email protected]>; > [email protected]; [email protected]; Xiaobo Xie > <[email protected]> > Cc: Z.Q. Hou <[email protected]> > Subject: [U-Boot] [PATCH 1/5] mtd: nand: add initialization flag > > From: Hou Zhiqiang <[email protected]> > > Add initialization flag to avoid initializing NAND Flash multiple > times, otherwise it will calculate a wrong total size. > > Signed-off-by: Hou Zhiqiang <[email protected]> > --- > drivers/mtd/nand/nand.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c > index 0551241..3ea2dcf 100644 > --- a/drivers/mtd/nand/nand.c > +++ b/drivers/mtd/nand/nand.c > @@ -133,6 +133,16 @@ static void create_mtd_concat(void) > > void nand_init(void) > { > + static int initialized; > + > + /* > + * Avoid initializing NAND Flash multiple times, > + * otherwise it will calculate a wrong total size. > + */ > + if (initialized) > + return; > + initialized = 1; > + > #ifdef CONFIG_SYS_NAND_SELF_INIT > board_nand_init(); > #else
If I am correct, above has done to avoid nand_init() if already done from SPL boot. I will suggest to use compile time option to skip nand_init from board_r.c instead of global variable --prabhakar _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
