From: David van Moolenbroek <david@minix3.org>
Date: Tue, 2 Sep 2014 15:51:16 +0000 (+0000)
Subject: AHCI: remove obsolete free_contig calls
X-Git-Tag: v3.3.0~24
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zpipe.c?a=commitdiff_plain;h=refs%2Fchanges%2F07%2F2807%2F1;p=minix.git

AHCI: remove obsolete free_contig calls

The memory used to be in its own memory region, but is now a part of
a larger memory region which is already being freed anyway.

Change-Id: Ice3174cec76e07112a1997b969dc3f47f573514c
---

diff --git a/minix/drivers/storage/ahci/ahci.c b/minix/drivers/storage/ahci/ahci.c
index d3acb5aa6..e169ef429 100644
--- a/minix/drivers/storage/ahci/ahci.c
+++ b/minix/drivers/storage/ahci/ahci.c
@@ -1950,7 +1950,6 @@ static void port_free(struct port_state *ps)
 	 * allocated memory.
 	 */
 	u32_t cmd;
-	int i;
 
 	/* Disable FIS receive. */
 	cmd = port_read(ps, AHCI_PORT_CMD);
@@ -1965,11 +1964,6 @@ static void port_free(struct port_state *ps)
 	if (ps->pad_base != NULL)
 		free_contig(ps->pad_base, ps->pad_size);
 
-	/* The first command table is part of the primary memory page. */
-	for (i = 1; i < hba_state.nr_cmds; i++)
-		if (ps->ct_base[i] != NULL)
-			free_contig(ps->ct_base[i], AHCI_CT_SIZE);
-
 	free_contig(ps->mem_base, ps->mem_size);
 }