diff options
Diffstat (limited to 'drivers/spi/spi-pl022.c')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 400ae2121a2..aab518ec2bb 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -489,6 +489,11 @@ static void giveback(struct pl022 *pl022) pl022->cur_transfer = NULL; pl022->cur_chip = NULL; spi_finalize_current_message(pl022->master); + + /* disable the SPI/SSP operation */ + writew((readw(SSP_CR1(pl022->virtbase)) & + (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase)); + } /** @@ -2048,6 +2053,9 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n", adev->res.start, pl022->virtbase); + pm_runtime_enable(dev); + pm_runtime_resume(dev); + pl022->clk = clk_get(&adev->dev, NULL); if (IS_ERR(pl022->clk)) { status = PTR_ERR(pl022->clk); @@ -2158,6 +2166,7 @@ pl022_remove(struct amba_device *adev) clk_disable(pl022->clk); clk_unprepare(pl022->clk); clk_put(pl022->clk); + pm_runtime_disable(&adev->dev); iounmap(pl022->virtbase); amba_release_regions(adev); tasklet_disable(&pl022->pump_transfers); @@ -2251,15 +2260,6 @@ static struct vendor_data vendor_st_pl023 = { .loopback = false, }; -static struct vendor_data vendor_db5500_pl023 = { - .fifodepth = 32, - .max_bpw = 32, - .unidir = false, - .extended_cr = true, - .pl023 = true, - .loopback = true, -}; - static struct amba_id pl022_ids[] = { { /* @@ -2291,11 +2291,6 @@ static struct amba_id pl022_ids[] = { .mask = 0xffffffff, .data = &vendor_st_pl023, }, - { - .id = 0x10080023, - .mask = 0xffffffff, - .data = &vendor_db5500_pl023, - }, { 0, 0 }, }; |