diff options
Diffstat (limited to 'arch/arm/plat-mxc/iomux-v3.c')
| -rw-r--r-- | arch/arm/plat-mxc/iomux-v3.c | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/arch/arm/plat-mxc/iomux-v3.c b/arch/arm/plat-mxc/iomux-v3.c index 851ca99bf1b1..b318c6a222d5 100644 --- a/arch/arm/plat-mxc/iomux-v3.c +++ b/arch/arm/plat-mxc/iomux-v3.c @@ -31,19 +31,11 @@ static void __iomem *base; -static unsigned long iomux_v3_pad_alloc_map[0x200 / BITS_PER_LONG]; - /* - * setups a single pin: - * - reserves the pin so that it is not claimed by another driver - * - setups the iomux according to the configuration + * setups a single pad in the iomuxer */ int mxc_iomux_v3_setup_pad(struct pad_desc *pad) { - unsigned int pad_ofs = pad->pad_ctrl_ofs; - - if (test_and_set_bit(pad_ofs >> 2, iomux_v3_pad_alloc_map)) - return -EBUSY; if (pad->mux_ctrl_ofs) __raw_writel(pad->mux_mode, base + pad->mux_ctrl_ofs); @@ -66,37 +58,13 @@ int mxc_iomux_v3_setup_multiple_pads(struct pad_desc *pad_list, unsigned count) for (i = 0; i < count; i++) { ret = mxc_iomux_v3_setup_pad(p); if (ret) - goto setup_error; + return ret; p++; } return 0; - -setup_error: - mxc_iomux_v3_release_multiple_pads(pad_list, i); - return ret; } EXPORT_SYMBOL(mxc_iomux_v3_setup_multiple_pads); -void mxc_iomux_v3_release_pad(struct pad_desc *pad) -{ - unsigned int pad_ofs = pad->pad_ctrl_ofs; - - clear_bit(pad_ofs >> 2, iomux_v3_pad_alloc_map); -} -EXPORT_SYMBOL(mxc_iomux_v3_release_pad); - -void mxc_iomux_v3_release_multiple_pads(struct pad_desc *pad_list, int count) -{ - struct pad_desc *p = pad_list; - int i; - - for (i = 0; i < count; i++) { - mxc_iomux_v3_release_pad(p); - p++; - } -} -EXPORT_SYMBOL(mxc_iomux_v3_release_multiple_pads); - void mxc_iomux_v3_init(void __iomem *iomux_v3_base) { base = iomux_v3_base; |