Changeset 301032a in mainline for uspace/lib/c/generic/device/hw_res.c

Timestamp:

2013-08-16T14:08:03Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

537620a8

Parents:

c762ad5

Message:

isa, dma: Fix 64KB dma buffers

File:

• uspace/lib/c/generic/device/hw_res.c (modified) (1 diff)

uspace/lib/c/generic/device/hw_res.c

@@ -102 +102 @@
  */
 int hw_res_dma_channel_setup(async_sess_t *sess,
-    unsigned channel, uint32_t pa, uint16_t size, uint8_t mode)
+    unsigned channel, uint32_t pa, uint32_t size, uint8_t mode)
 {
         async_exch_t *exch = async_exchange_begin(sess);
         if (exch == NULL)
                 return ENOMEM;
-        const uint32_t packed = size | (mode << 16);
+        const uint32_t packed = (channel & 0xffff) | (mode << 16);
         const int ret = async_req_4_0(exch, DEV_IFACE_ID(HW_RES_DEV_IFACE),
-            HW_RES_DMA_CHANNEL_SETUP, channel, pa, packed);
+            HW_RES_DMA_CHANNEL_SETUP, packed, pa, size);
         async_exchange_end(exch);