ALSA: ctxfi - Avoid unneeded pci_read_config_*() calls

Use struct pci subsystem_device and revision fields instead of
unneeded calls of pci_read_config_*().

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index 073fe2a..f523450 100644 (file)
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -1190,14 +1190,14 @@ static int atc_dev_free(struct snd_device *dev)
 
 static int atc_identify_card(struct ct_atc *atc)
 {
-       u16 subsys = 0;
-       u8 revision = 0;
+       u16 subsys;
+       u8 revision;
        struct pci_dev *pci = atc->pci;
        const struct ct_atc_chip_details *d;
        enum CTCARDS i;
 
-       pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsys);
-       pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
+       subsys = pci->subsystem_device;
+       revision = pci->revision;
        atc->chip_details = NULL;
        atc->model = NUM_CTCARDS;
        for (d = atc_chip_details; d->vendor; d++) {
@@ -1308,7 +1308,7 @@ static int atc_get_resources(struct ct_atc *atc)
        struct sum_desc sum_dsc = {0};
        struct sum_mgr *sum_mgr = NULL;
        int err = 0, i = 0;
-       unsigned short subsys_id = 0;
+       unsigned short subsys_id;
 
        atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
        if (NULL == atc->daios)
@@ -1339,7 +1339,7 @@ static int atc_get_resources(struct ct_atc *atc)
                }
                atc->n_daio++;
        }
-       pci_read_config_word(atc->pci, PCI_SUBSYSTEM_ID, &subsys_id);
+       subsys_id = atc->pci->subsystem_device;
        if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
                /* SB073x cards */
                da_desc.type = SPDIFI1;