ata: libahci: fix parameter type of ahci_exec_polled_cmd()

ahci_exec_polled_cmd() passes its 'unsigned long timeout_msec' parameter
to ata_wait_register() that now takes 'unsigned int' -- eliminate unneeded
implicit casts, not forgetting about ahci_do_softreset()...

Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>

drivers/ata/libahci.c

@@ -1403,7 +1403,7 @@ EXPORT_SYMBOL_GPL(ahci_kick_engine);
 
 static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
 				struct ata_taskfile *tf, int is_cmd, u16 flags,
-				unsigned long timeout_msec)
+				unsigned int timeout_msec)
 {
 	const u32 cmd_fis_len = 5; /* five dwords */
 	struct ahci_port_priv *pp = ap->private_data;
@@ -1448,7 +1448,8 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class,
 	struct ahci_host_priv *hpriv = ap->host->private_data;
 	struct ahci_port_priv *pp = ap->private_data;
 	const char *reason = NULL;
-	unsigned long now, msecs;
+	unsigned long now;
+	unsigned int msecs;
 	struct ata_taskfile tf;
 	bool fbs_disabled = false;
 	int rc;