diff options
Diffstat (limited to 'arch/sh/drivers')
| -rw-r--r-- | arch/sh/drivers/dma/Kconfig | 6 | ||||
| -rw-r--r-- | arch/sh/drivers/heartbeat.c | 10 |
2 files changed, 13 insertions, 3 deletions
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig index 63e9dd30b41c..b91fa8dbf047 100644 --- a/arch/sh/drivers/dma/Kconfig +++ b/arch/sh/drivers/dma/Kconfig @@ -27,12 +27,12 @@ config NR_ONCHIP_DMA_CHANNELS default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \ CPU_SUBTYPE_SH7760 default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \ - CPU_SUBTYPE_SH7785 + CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724 default "6" help This allows you to specify the number of channels that the on-chip - DMAC supports. This will be 4 for SH7091/SH7750/SH7751 and 8 for the - SH7750R/SH7751R. + DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the + SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6. config NR_DMA_CHANNELS_BOOL depends on SH_DMA diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c index 938817e34e2b..a9339a6174fc 100644 --- a/arch/sh/drivers/heartbeat.c +++ b/arch/sh/drivers/heartbeat.c @@ -40,14 +40,19 @@ static inline void heartbeat_toggle_bit(struct heartbeat_data *hd, if (inverted) new = ~new; + new &= hd->mask; + switch (hd->regsize) { case 32: + new |= ioread32(hd->base) & ~hd->mask; iowrite32(new, hd->base); break; case 16: + new |= ioread16(hd->base) & ~hd->mask; iowrite16(new, hd->base); break; default: + new |= ioread8(hd->base) & ~hd->mask; iowrite8(new, hd->base); break; } @@ -72,6 +77,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev) { struct resource *res; struct heartbeat_data *hd; + int i; if (unlikely(pdev->num_resources != 1)) { dev_err(&pdev->dev, "invalid number of resources\n"); @@ -107,6 +113,10 @@ static int heartbeat_drv_probe(struct platform_device *pdev) hd->nr_bits = ARRAY_SIZE(default_bit_pos); } + hd->mask = 0; + for (i = 0; i < hd->nr_bits; i++) + hd->mask |= (1 << hd->bit_pos[i]); + if (!hd->regsize) hd->regsize = 8; /* default access size */ |
