From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
rsnd_ssiu_busif_err_irq_ctrl() has very similar duplicated code. This patch merge and tidyup the code.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/sh/rcar/ssiu.c | 38 +++++++++++++++++--------------------- 1 file changed, 17 insertions(+), 21 deletions(-)
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c index b79628761167..4363508e8250 100644 --- a/sound/soc/sh/rcar/ssiu.c +++ b/sound/soc/sh/rcar/ssiu.c @@ -50,8 +50,8 @@ static const int gen3_id[] = { 0, 8, 16, 24, 32, 40, 41, 42, 43, 44 }; #define rsnd_ssiu_busif_err_irq_disable(mod) rsnd_ssiu_busif_err_irq_ctrl(mod, 0) static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable) { - u32 sys_int_enable = 0; int id = rsnd_mod_id(mod); + int shift, offset; int i;
switch (id) { @@ -60,30 +60,26 @@ static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable) case 2: case 3: case 4: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE(i * 2)); - if (enable) - sys_int_enable |= 0xf << (id * 4); - else - sys_int_enable &= ~(0xf << (id * 4)); - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE(i * 2), - sys_int_enable); - } + shift = id; + offset = 0; break; case 9: - for (i = 0; i < 4; i++) { - sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE((i * 2) + 1)); - if (enable) - sys_int_enable |= 0xf << 4; - else - sys_int_enable &= ~(0xf << 4); - rsnd_mod_write(mod, - SSI_SYS_INT_ENABLE((i * 2) + 1), - sys_int_enable); - } + shift = 1; + offset = 1; break; } + + for (i = 0; i < 4; i++) { + enum rsnd_reg reg = SSI_SYS_INT_ENABLE((i * 2) + offset); + u32 val = 0xf << (shift * 4); + u32 sys_int_enable = rsnd_mod_read(mod, reg); + + if (enable) + sys_int_enable |= val; + else + sys_int_enable &= ~val; + rsnd_mod_write(mod, reg, sys_int_enable); + } }
bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)