X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/d1b1c8d9119229dbeed06cd252917e54a1cb77f6..50b4ecfb1b28e9b1dfc57b6a876fcdf938092152:/lunaix-os/hal/ahci/io_event.c

diff --git a/lunaix-os/hal/ahci/io_event.c b/lunaix-os/hal/ahci/io_event.c
index 4e77f98..d37f8e6 100644
--- a/lunaix-os/hal/ahci/io_event.c
+++ b/lunaix-os/hal/ahci/io_event.c
@@ -28,7 +28,7 @@ proceed:
     if (!hba->base[HBA_RIS])
         return;
 
-    u32_t port_num = 31 - clz(hba->base[HBA_RIS]);
+    u32_t port_num = msbiti - clz(hba->base[HBA_RIS]);
     struct hba_port* port = hba->ports[port_num];
     struct hba_cmd_context* cmdctx = &port->cmdctx;
     u32_t processed = port->regs[HBA_RPxCI] ^ cmdctx->tracked_ci;
@@ -48,7 +48,7 @@ proceed:
         goto done;
     }
 
-    u32_t slot = 31 - clz(processed);
+    u32_t slot = msbiti - clz(processed);
     struct hba_cmd_state* cmdstate = cmdctx->issued[slot];
 
     if (!cmdstate) {