From: acevest <zhaoyanbai@126.com>
Date: Tue, 16 Nov 2021 04:30:49 +0000 (+0800)
Subject: ata用中断读IENTIFY时不再用waitqueue
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch02.html?a=commitdiff_plain;h=72e787dbeda34a6fd273826cf5f761e9637f68a0;p=kernel.git

ata用中断读IENTIFY时不再用waitqueue
---

diff --git a/drivers/ata.c b/drivers/ata.c
index ec365c4..156c7c7 100644
--- a/drivers/ata.c
+++ b/drivers/ata.c
@@ -47,9 +47,9 @@ u16 identify[256];
 void ata_send_read_identify_cmd(int dev) {}
 void ata_read_identify(int dev) {  // 这里所用的dev是逻辑编号 ATA0、ATA1下的Master、Salve的dev分别为0,1,2,3
 
-    DECLARE_WAIT_QUEUE_HEAD(wq_head);
-    DECLARE_WAIT_QUEUE(wait, current);
-    add_wait_queue(&wq_head, &wait);
+    // DECLARE_WAIT_QUEUE_HEAD(wq_head);
+    // DECLARE_WAIT_QUEUE(wait, current);
+    // add_wait_queue(&wq_head, &wait);
     ide_pci_controller.task = current;
 
     outb(0x00, REG_CTL(dev));
@@ -65,7 +65,7 @@ void ata_read_identify(int dev) {  // 这里所用的dev是逻辑编号 ATA0、A
 
     schedule();
 
-    del_wait_queue(&wq_head, &wait);
+    // del_wait_queue(&wq_head, &wait);
 
     insw(REG_DATA(dev), identify, SECT_SIZE / sizeof(u16));