diff options
Diffstat (limited to 'arch/powerpc/sysdev/cpm1.c')
| -rw-r--r-- | arch/powerpc/sysdev/cpm1.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index ecad10d4e928..8d103ca6d6ab 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -31,6 +31,7 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/spinlock.h> +#include <linux/slab.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/8xx_immap.h> @@ -485,9 +486,6 @@ int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode) return -EINVAL; } - if (reg == &mpc8xx_immr->im_cpm.cp_sicr && mode == CPM_CLK_RX) - shift += 3; - for (i = 0; i < ARRAY_SIZE(clk_map); i++) { if (clk_map[i][0] == target && clk_map[i][1] == clock) { bits = clk_map[i][2]; @@ -502,6 +500,17 @@ int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode) bits <<= shift; mask <<= shift; + + if (reg == &mpc8xx_immr->im_cpm.cp_sicr) { + if (mode == CPM_CLK_RTX) { + bits |= bits << 3; + mask |= mask << 3; + } else if (mode == CPM_CLK_RX) { + bits <<= 3; + mask <<= 3; + } + } + out_be32(reg, (in_be32(reg) & ~mask) | bits); return 0; |