diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 22b1c18ef5c3..00c006686b0d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1485,8 +1485,8 @@ static int _init_clocks(struct omap_hwmod *oh, void *data) * Return the bit position of the reset line that match the * input name. Return -ENOENT if not found. */ -static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name, - struct omap_hwmod_rst_info *ohri) +static int _lookup_hardreset(struct omap_hwmod *oh, const char *name, + struct omap_hwmod_rst_info *ohri) { int i; @@ -1522,7 +1522,7 @@ static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name, static int _assert_hardreset(struct omap_hwmod *oh, const char *name) { struct omap_hwmod_rst_info ohri; - u8 ret = -EINVAL; + int ret = -EINVAL; if (!oh) return -EINVAL; @@ -1531,7 +1531,7 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name) return -ENOSYS; ret = _lookup_hardreset(oh, name, &ohri); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; ret = soc_ops.assert_hardreset(oh, &ohri); @@ -1589,7 +1589,7 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name) static int _read_hardreset(struct omap_hwmod *oh, const char *name) { struct omap_hwmod_rst_info ohri; - u8 ret = -EINVAL; + int ret = -EINVAL; if (!oh) return -EINVAL; @@ -1598,7 +1598,7 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name) return -ENOSYS; ret = _lookup_hardreset(oh, name, &ohri); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; return soc_ops.is_hardreset_asserted(oh, &ohri); @@ -1718,8 +1718,8 @@ static int _ocp_softreset(struct omap_hwmod *oh) /* clocks must be on for this operation */ if (oh->_state != _HWMOD_STATE_ENABLED) { - pr_warning("omap_hwmod: %s: reset can only be entered from " - "enabled state\n", oh->name); + pr_warn("omap_hwmod: %s: reset can only be entered from enabled state\n", + oh->name); return -EINVAL; } @@ -1966,6 +1966,7 @@ static int _enable(struct omap_hwmod *oh) _enable_sysc(oh); } } else { + _omap4_disable_module(oh); _disable_clocks(oh); pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n", oh->name, r); @@ -3328,6 +3329,33 @@ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res) } /** + * omap_hwmod_fill_dma_resources - fill struct resource array with dma data + * @oh: struct omap_hwmod * + * @res: pointer to the array of struct resource to fill + * + * Fill the struct resource array @res with dma resource data from the + * omap_hwmod @oh. Intended to be called by code that registers + * omap_devices. See also omap_hwmod_count_resources(). Returns the + * number of array elements filled. + */ +int omap_hwmod_fill_dma_resources(struct omap_hwmod *oh, struct resource *res) +{ + int i, sdma_reqs_cnt; + int r = 0; + + sdma_reqs_cnt = _count_sdma_reqs(oh); + for (i = 0; i < sdma_reqs_cnt; i++) { + (res + r)->name = (oh->sdma_reqs + i)->name; + (res + r)->start = (oh->sdma_reqs + i)->dma_req; + (res + r)->end = (oh->sdma_reqs + i)->dma_req; + (res + r)->flags = IORESOURCE_DMA; + r++; + } + + return r; +} + +/** * omap_hwmod_get_resource_byname - fetch IP block integration data by name * @oh: struct omap_hwmod * to operate on * @type: one of the IORESOURCE_* constants from include/linux/ioport.h |
