summaryrefslogtreecommitdiff
path: root/drivers/usb/core/buffer.c
diff options
context:
space:
mode:
authorMoritz Fischer <mdf@kernel.org>2019-09-03 19:35:07 -0700
committerMoritz Fischer <mdf@kernel.org>2019-09-03 19:35:07 -0700
commitaf9ca4b0bd0502bb134f18d394a613be371d2352 (patch)
tree37b1159d4456e223981dddde4795f2061c83d14c /drivers/usb/core/buffer.c
parentcbb4a74478e9eef0f8ef437e95ef7645008988f7 (diff)
parent99097a214b0c15f7595ac8f2788662f3941c1992 (diff)
Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into fpga-dfl-for-5.4
Diffstat (limited to 'drivers/usb/core/buffer.c')
-rw-r--r--drivers/usb/core/buffer.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index 1359b78a624e..6cf22c27f2d2 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -66,9 +66,7 @@ int hcd_buffer_create(struct usb_hcd *hcd)
char name[16];
int i, size;
- if (!IS_ENABLED(CONFIG_HAS_DMA) ||
- (!is_device_dma_capable(hcd->self.sysdev) &&
- !hcd->localmem_pool))
+ if (hcd->localmem_pool || !hcd_uses_dma(hcd))
return 0;
for (i = 0; i < HCD_BUFFER_POOLS; i++) {
@@ -129,8 +127,7 @@ void *hcd_buffer_alloc(
return gen_pool_dma_alloc(hcd->localmem_pool, size, dma);
/* some USB hosts just use PIO */
- if (!IS_ENABLED(CONFIG_HAS_DMA) ||
- !is_device_dma_capable(bus->sysdev)) {
+ if (!hcd_uses_dma(hcd)) {
*dma = ~(dma_addr_t) 0;
return kmalloc(size, mem_flags);
}
@@ -160,8 +157,7 @@ void hcd_buffer_free(
return;
}
- if (!IS_ENABLED(CONFIG_HAS_DMA) ||
- !is_device_dma_capable(bus->sysdev)) {
+ if (!hcd_uses_dma(hcd)) {
kfree(addr);
return;
}