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r8169: add rtl_fw_request_firmware and rtl_fw_release_firmware

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Add rtl_fw_request_firmware and rtl_fw_release_firmware which will be
part of the API when factoring out the firmware handling code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-06-03 21:26:31 +02:00 committed by David S. Miller
parent 4edb00f391
commit 47ad5931ad
1 changed files with 34 additions and 24 deletions
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58
drivers/net/ethernet/realtek/r8169.c
View file

@ -2492,10 +2492,15 @@ static void rtl_fw_write_firmware(struct rtl8169_private *tp,
}
}
static void rtl_fw_release_firmware(struct rtl_fw *rtl_fw)
{
release_firmware(rtl_fw->fw);
}
static void rtl_release_firmware(struct rtl8169_private *tp)
{
if (tp->rtl_fw) {
release_firmware(tp->rtl_fw->fw);
rtl_fw_release_firmware(tp->rtl_fw);
kfree(tp->rtl_fw);
tp->rtl_fw = NULL;
}
@ -4249,18 +4254,39 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
}
static int rtl_fw_request_firmware(struct rtl_fw *rtl_fw)
{
int rc;
rc = request_firmware(&rtl_fw->fw, rtl_fw->fw_name, rtl_fw->dev);
if (rc < 0)
goto out;
if (!rtl_fw_format_ok(rtl_fw) || !rtl_fw_data_ok(rtl_fw)) {
release_firmware(rtl_fw->fw);
goto out;
}
return 0;
out:
dev_err(rtl_fw->dev, "Unable to load firmware %s (%d)\n",
rtl_fw->fw_name, rc);
return rc;
}
static void rtl_request_firmware(struct rtl8169_private *tp)
{
struct rtl_fw *rtl_fw;
int rc = -ENOMEM;
/* firmware loaded already or no firmware available */
if (tp->rtl_fw || !tp->fw_name)
return;
rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
if (!rtl_fw)
goto err_warn;
if (!rtl_fw) {
netif_warn(tp, ifup, tp->dev, "Unable to load firmware, out of memory\n");
return;
}
rtl_fw->phy_write = rtl_writephy;
rtl_fw->phy_read = rtl_readphy;
@ -4269,26 +4295,10 @@ static void rtl_request_firmware(struct rtl8169_private *tp)
rtl_fw->fw_name = tp->fw_name;
rtl_fw->dev = tp_to_dev(tp);
rc = request_firmware(&rtl_fw->fw, tp->fw_name, tp_to_dev(tp));
if (rc < 0)
goto err_free;
if (!rtl_fw_format_ok(rtl_fw) || !rtl_fw_data_ok(rtl_fw)) {
dev_err(rtl_fw->dev, "invalid firmware\n");
goto err_release_firmware;
}
tp->rtl_fw = rtl_fw;
return;
err_release_firmware:
release_firmware(rtl_fw->fw);
err_free:
kfree(rtl_fw);
err_warn:
netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
tp->fw_name, rc);
if (rtl_fw_request_firmware(rtl_fw))
kfree(rtl_fw);
else
tp->rtl_fw = rtl_fw;
}
static void rtl_rx_close(struct rtl8169_private *tp)