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Merge branch 'fix/edma' into fixes

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This commit is contained in:
Vinod Koul 2015-12-10 08:43:43 +05:30
commit bcb4b61911
3 changed files with 40 additions and 25 deletions
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55
drivers/dma/edma.c
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@ -1752,16 +1752,14 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
return ret;
}
static bool edma_is_memcpy_channel(int ch_num, u16 *memcpy_channels)
static bool edma_is_memcpy_channel(int ch_num, s32 *memcpy_channels)
{
s16 *memcpy_ch = memcpy_channels;
if (!memcpy_channels)
return false;
while (*memcpy_ch != -1) {
if (*memcpy_ch == ch_num)
while (*memcpy_channels != -1) {
if (*memcpy_channels == ch_num)
return true;
memcpy_ch++;
memcpy_channels++;
}
return false;
}
@ -1775,7 +1773,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
{
struct dma_device *s_ddev = &ecc->dma_slave;
struct dma_device *m_ddev = NULL;
s16 *memcpy_channels = ecc->info->memcpy_channels;
s32 *memcpy_channels = ecc->info->memcpy_channels;
int i, j;
dma_cap_zero(s_ddev->cap_mask);
@ -1996,16 +1994,16 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev,
prop = of_find_property(dev->of_node, "ti,edma-memcpy-channels", &sz);
if (prop) {
const char pname[] = "ti,edma-memcpy-channels";
size_t nelm = sz / sizeof(s16);
s16 *memcpy_ch;
size_t nelm = sz / sizeof(s32);
s32 *memcpy_ch;
memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s16),
memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s32),
GFP_KERNEL);
if (!memcpy_ch)
return ERR_PTR(-ENOMEM);
ret = of_property_read_u16_array(dev->of_node, pname,
(u16 *)memcpy_ch, nelm);
ret = of_property_read_u32_array(dev->of_node, pname,
(u32 *)memcpy_ch, nelm);
if (ret)
return ERR_PTR(ret);
@ -2017,31 +2015,50 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev,
&sz);
if (prop) {
const char pname[] = "ti,edma-reserved-slot-ranges";
u32 (*tmp)[2];
s16 (*rsv_slots)[2];
size_t nelm = sz / sizeof(*rsv_slots);
size_t nelm = sz / sizeof(*tmp);
struct edma_rsv_info *rsv_info;
int i;
if (!nelm)
return info;
rsv_info = devm_kzalloc(dev, sizeof(*rsv_info), GFP_KERNEL);
if (!rsv_info)
tmp = kcalloc(nelm, sizeof(*tmp), GFP_KERNEL);
if (!tmp)
return ERR_PTR(-ENOMEM);
rsv_info = devm_kzalloc(dev, sizeof(*rsv_info), GFP_KERNEL);
if (!rsv_info) {
kfree(tmp);
return ERR_PTR(-ENOMEM);
}
rsv_slots = devm_kcalloc(dev, nelm + 1, sizeof(*rsv_slots),
GFP_KERNEL);
if (!rsv_slots)
if (!rsv_slots) {
kfree(tmp);
return ERR_PTR(-ENOMEM);
}
ret = of_property_read_u16_array(dev->of_node, pname,
(u16 *)rsv_slots, nelm * 2);
if (ret)
ret = of_property_read_u32_array(dev->of_node, pname,
(u32 *)tmp, nelm * 2);
if (ret) {
kfree(tmp);
return ERR_PTR(ret);
}
for (i = 0; i < nelm; i++) {
rsv_slots[i][0] = tmp[i][0];
rsv_slots[i][1] = tmp[i][1];
}
rsv_slots[nelm][0] = -1;
rsv_slots[nelm][1] = -1;
info->rsv = rsv_info;
info->rsv->rsv_slots = (const s16 (*)[2])rsv_slots;
kfree(tmp);
}
return info;