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-rw-r--r--arch/powerpc/sysdev/cpm2.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index f1c3395633b9..fd969f0e3121 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -52,6 +52,7 @@ cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor space */
52 * the communication processor devices. 52 * the communication processor devices.
53 */ 53 */
54cpm2_map_t __iomem *cpm2_immr; 54cpm2_map_t __iomem *cpm2_immr;
55EXPORT_SYMBOL(cpm2_immr);
55 56
56#define CPM_MAP_SIZE (0x40000) /* 256k - the PQ3 reserve this amount 57#define CPM_MAP_SIZE (0x40000) /* 256k - the PQ3 reserve this amount
57 of space for CPM as it is larger 58 of space for CPM as it is larger
@@ -129,7 +130,8 @@ void __cpm2_setbrg(uint brg, uint rate, uint clk, int div16, int src)
129 brg -= 4; 130 brg -= 4;
130 } 131 }
131 bp += brg; 132 bp += brg;
132 val = (((clk / rate) - 1) << 1) | CPM_BRG_EN | src; 133 /* Round the clock divider to the nearest integer. */
134 val = (((clk * 2 / rate) - 1) & ~1) | CPM_BRG_EN | src;
133 if (div16) 135 if (div16)
134 val |= CPM_BRG_DIV16; 136 val |= CPM_BRG_DIV16;
135 137