Le 06/01/2023 à 17:37, Herve Codina a écrit : > The CPM1 command mask is defined for use with the standard > CPM1 command register as described in the user's manual: > 0 |1 3|4 7|8 11|12 14| 15| > RST| - |OPCODE|CH_NUM| - |FLG| > > In the QMC extension the CPM1 command register is redefined > (QMC supplement user's manuel) with the following mapping: > 0 |1 3|4 7|8 13|14| 15| > RST|QMC OPCODE| 1110|CHANNEL_NUMBER| -|FLG| > > Extend the check command mask in order to support both the > standard CH_NUM field and the QMC extension CHANNEL_NUMBER > field. > > Signed-off-by: Herve Codina <herve.cod...@bootlin.com>
Acked-by: Christophe Leroy <christophe.le...@csgroup.eu> (As maintainer of LINUX FOR POWERPC EMBEDDED PPC8XX) > --- > arch/powerpc/platforms/8xx/cpm1.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/platforms/8xx/cpm1.c > b/arch/powerpc/platforms/8xx/cpm1.c > index 8ef1f4392086..6b828b9f90d9 100644 > --- a/arch/powerpc/platforms/8xx/cpm1.c > +++ b/arch/powerpc/platforms/8xx/cpm1.c > @@ -100,7 +100,7 @@ int cpm_command(u32 command, u8 opcode) > int i, ret; > unsigned long flags; > > - if (command & 0xffffff0f) > + if (command & 0xffffff03) > return -EINVAL; > > spin_lock_irqsave(&cmd_lock, flags);
