sfc: Use explicit bool for boolean variables, parameters and return values
Replace (cond ? 1 : 0) with cond or !!cond as appropriate, and
(cond ? 0 : 1) with !cond.
Remove some redundant boolean temporaries.
Rename one field that looks like a flag but isn't.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index ab114b4..be5a86f 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -70,7 +70,7 @@
}
/* This often fails when DSP is disabled, ignore it */
- if (sfe4001_phy_flash_cfg != 0)
+ if (sfe4001_phy_flash_cfg)
return 0;
EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
@@ -217,12 +217,12 @@
return rc;
}
-static int falcon_xgmii_status(struct efx_nic *efx)
+static bool falcon_xgmii_status(struct efx_nic *efx)
{
efx_dword_t reg;
if (falcon_rev(efx) < FALCON_REV_B0)
- return 1;
+ return true;
/* The ISR latches, so clear it and re-read */
falcon_xmac_readl(efx, ®, XM_MGT_INT_REG_MAC_B0);
@@ -231,13 +231,13 @@
if (EFX_DWORD_FIELD(reg, XM_LCLFLT) ||
EFX_DWORD_FIELD(reg, XM_RMTFLT)) {
EFX_INFO(efx, "MGT_INT: "EFX_DWORD_FMT"\n", EFX_DWORD_VAL(reg));
- return 0;
+ return false;
}
- return 1;
+ return true;
}
-static void falcon_mask_status_intr(struct efx_nic *efx, int enable)
+static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
{
efx_dword_t reg;
@@ -274,7 +274,7 @@
if (rc)
goto fail2;
- falcon_mask_status_intr(efx, 1);
+ falcon_mask_status_intr(efx, true);
return 0;
fail2:
@@ -283,13 +283,14 @@
return rc;
}
-int falcon_xaui_link_ok(struct efx_nic *efx)
+bool falcon_xaui_link_ok(struct efx_nic *efx)
{
efx_dword_t reg;
- int align_done, sync_status, link_ok = 0;
+ bool align_done, link_ok = false;
+ int sync_status;
if (LOOPBACK_INTERNAL(efx))
- return 1;
+ return true;
/* Read link status */
falcon_xmac_readl(efx, ®, XX_CORE_STAT_REG_MAC);
@@ -297,7 +298,7 @@
align_done = EFX_DWORD_FIELD(reg, XX_ALIGN_DONE);
sync_status = EFX_DWORD_FIELD(reg, XX_SYNC_STAT);
if (align_done && (sync_status == XX_SYNC_STAT_DECODE_SYNCED))
- link_ok = 1;
+ link_ok = true;
/* Clear link status ready for next read */
EFX_SET_DWORD_FIELD(reg, XX_COMMA_DET, XX_COMMA_DET_RESET);
@@ -309,8 +310,7 @@
* (error conditions from the wire side propoagate back through
* the phy to the xaui side). */
if (efx->link_up && link_ok) {
- int has_phyxs = efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS);
- if (has_phyxs)
+ if (efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS))
link_ok = mdio_clause45_phyxgxs_lane_sync(efx);
}
@@ -326,7 +326,7 @@
{
unsigned int max_frame_len;
efx_dword_t reg;
- int rx_fc = (efx->flow_control & EFX_FC_RX) ? 1 : 0;
+ bool rx_fc = !!(efx->flow_control & EFX_FC_RX);
/* Configure MAC - cut-thru mode is hard wired on */
EFX_POPULATE_DWORD_3(reg,
@@ -365,7 +365,7 @@
EFX_POPULATE_DWORD_2(reg,
XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
- XM_DIS_FCNTL, rx_fc ? 0 : 1);
+ XM_DIS_FCNTL, !rx_fc);
falcon_xmac_writel(efx, ®, XM_FC_REG_MAC);
/* Set MAC address */
@@ -384,16 +384,15 @@
static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)
{
efx_dword_t reg;
- int xgxs_loopback = (efx->loopback_mode == LOOPBACK_XGXS) ? 1 : 0;
- int xaui_loopback = (efx->loopback_mode == LOOPBACK_XAUI) ? 1 : 0;
- int xgmii_loopback =
- (efx->loopback_mode == LOOPBACK_XGMII) ? 1 : 0;
+ bool xgxs_loopback = (efx->loopback_mode == LOOPBACK_XGXS);
+ bool xaui_loopback = (efx->loopback_mode == LOOPBACK_XAUI);
+ bool xgmii_loopback = (efx->loopback_mode == LOOPBACK_XGMII);
/* XGXS block is flaky and will need to be reset if moving
* into our out of XGMII, XGXS or XAUI loopbacks. */
if (EFX_WORKAROUND_5147(efx)) {
- int old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
- int reset_xgxs;
+ bool old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;
+ bool reset_xgxs;
falcon_xmac_readl(efx, ®, XX_CORE_STAT_REG_MAC);
old_xgxs_loopback = EFX_DWORD_FIELD(reg, XX_XGXS_LB_EN);
@@ -438,7 +437,7 @@
/* Try and bring the Falcon side of the Falcon-Phy XAUI link fails
* to come back up. Bash it until it comes back up */
-static int falcon_check_xaui_link_up(struct efx_nic *efx)
+static bool falcon_check_xaui_link_up(struct efx_nic *efx)
{
int max_tries, tries;
tries = EFX_WORKAROUND_5147(efx) ? 5 : 1;
@@ -446,11 +445,11 @@
if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
(efx->phy_type == PHY_TYPE_NONE))
- return 0;
+ return false;
while (tries) {
if (falcon_xaui_link_ok(efx))
- return 1;
+ return true;
EFX_LOG(efx, "%s Clobbering XAUI (%d tries left).\n",
__func__, tries);
@@ -461,14 +460,14 @@
EFX_LOG(efx, "Failed to bring XAUI link back up in %d tries!\n",
max_tries);
- return 0;
+ return false;
}
void falcon_reconfigure_xmac(struct efx_nic *efx)
{
- int xaui_link_ok;
+ bool xaui_link_ok;
- falcon_mask_status_intr(efx, 0);
+ falcon_mask_status_intr(efx, false);
falcon_deconfigure_mac_wrapper(efx);
@@ -484,7 +483,7 @@
xaui_link_ok = falcon_check_xaui_link_up(efx);
if (xaui_link_ok && efx->link_up)
- falcon_mask_status_intr(efx, 1);
+ falcon_mask_status_intr(efx, true);
}
void falcon_fini_xmac(struct efx_nic *efx)
@@ -563,14 +562,14 @@
int falcon_check_xmac(struct efx_nic *efx)
{
- unsigned xaui_link_ok;
+ bool xaui_link_ok;
int rc;
if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
(efx->phy_type == PHY_TYPE_NONE))
return 0;
- falcon_mask_status_intr(efx, 0);
+ falcon_mask_status_intr(efx, false);
xaui_link_ok = falcon_xaui_link_ok(efx);
if (EFX_WORKAROUND_5147(efx) && !xaui_link_ok)
@@ -581,7 +580,7 @@
/* Unmask interrupt if everything was (and still is) ok */
if (xaui_link_ok && efx->link_up)
- falcon_mask_status_intr(efx, 1);
+ falcon_mask_status_intr(efx, true);
return rc;
}
@@ -622,7 +621,7 @@
int falcon_xmac_set_pause(struct efx_nic *efx, enum efx_fc_type flow_control)
{
- int reset;
+ bool reset;
if (flow_control & EFX_FC_AUTO) {
EFX_LOG(efx, "10G does not support flow control "