Thread (2 messages) 2 messages, 2 authors, 2012-10-08

[PATCH] cxgb4: Address various sparse warnings

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STALE5131d

From: Vipul Pandya <hidden>
Date: 2012-10-08 13:03:08
Subsystem: cxgb4 ethernet driver (cxgb4), networking drivers, the rest · Maintainers: Potnuri Bharat Teja, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

This patch fixes type assignment issues, function definition and symbol
shadowing which triggered sparse warnings.

Signed-off-by: Jay Hernandez <redacted>
Signed-off-by: Vipul Pandya <redacted>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4.h      |    1 +
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |   54 +++++++++++++----------
 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c      |   13 +++--
 3 files changed, 39 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 745a1f5..39225ab 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -695,6 +695,7 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable);
 int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
+int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
 int t4_check_fw_version(struct adapter *adapter);
 int t4_prep_adapter(struct adapter *adapter);
 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 6b9f6bb..604f4f8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -443,7 +443,10 @@ int dbfifo_int_thresh = 10; /* 10 == 640 entry threshold */
 module_param(dbfifo_int_thresh, int, 0644);
 MODULE_PARM_DESC(dbfifo_int_thresh, "doorbell fifo interrupt threshold");
 
-int dbfifo_drain_delay = 1000; /* usecs to sleep while draining the dbfifo */
+/*
+ * usecs to sleep while draining the dbfifo
+ */
+static int dbfifo_drain_delay = 1000;
 module_param(dbfifo_drain_delay, int, 0644);
 MODULE_PARM_DESC(dbfifo_drain_delay,
 		 "usecs to sleep while draining the dbfifo");
@@ -636,7 +639,7 @@ static void name_msix_vecs(struct adapter *adap)
 static int request_msix_queue_irqs(struct adapter *adap)
 {
 	struct sge *s = &adap->sge;
-	int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi = 2;
+	int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi_index = 2;
 
 	err = request_irq(adap->msix_info[1].vec, t4_sge_intr_msix, 0,
 			  adap->msix_info[1].desc, &s->fw_evtq);
@@ -644,56 +647,60 @@ static int request_msix_queue_irqs(struct adapter *adap)
 		return err;
 
 	for_each_ethrxq(s, ethqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->ethrxq[ethqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	for_each_ofldrxq(s, ofldqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->ofldrxq[ofldqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	for_each_rdmarxq(s, rdmaqidx) {
-		err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
-				  adap->msix_info[msi].desc,
+		err = request_irq(adap->msix_info[msi_index].vec,
+				  t4_sge_intr_msix, 0,
+				  adap->msix_info[msi_index].desc,
 				  &s->rdmarxq[rdmaqidx].rspq);
 		if (err)
 			goto unwind;
-		msi++;
+		msi_index++;
 	}
 	return 0;
 
 unwind:
 	while (--rdmaqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec,
+		free_irq(adap->msix_info[--msi_index].vec,
 			 &s->rdmarxq[rdmaqidx].rspq);
 	while (--ofldqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec,
+		free_irq(adap->msix_info[--msi_index].vec,
 			 &s->ofldrxq[ofldqidx].rspq);
 	while (--ethqidx >= 0)
-		free_irq(adap->msix_info[--msi].vec, &s->ethrxq[ethqidx].rspq);
+		free_irq(adap->msix_info[--msi_index].vec,
+			 &s->ethrxq[ethqidx].rspq);
 	free_irq(adap->msix_info[1].vec, &s->fw_evtq);
 	return err;
 }
 
 static void free_msix_queue_irqs(struct adapter *adap)
 {
-	int i, msi = 2;
+	int i, msi_index = 2;
 	struct sge *s = &adap->sge;
 
 	free_irq(adap->msix_info[1].vec, &s->fw_evtq);
 	for_each_ethrxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->ethrxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->ethrxq[i].rspq);
 	for_each_ofldrxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->ofldrxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->ofldrxq[i].rspq);
 	for_each_rdmarxq(s, i)
-		free_irq(adap->msix_info[msi++].vec, &s->rdmarxq[i].rspq);
+		free_irq(adap->msix_info[msi_index++].vec, &s->rdmarxq[i].rspq);
 }
 
 /**
@@ -2535,9 +2542,8 @@ static int read_eq_indices(struct adapter *adap, u16 qid, u16 *pidx, u16 *cidx)
 
 	ret = t4_mem_win_read_len(adap, addr, (__be32 *)&indices, 8);
 	if (!ret) {
-		indices = be64_to_cpu(indices);
-		*cidx = (indices >> 25) & 0xffff;
-		*pidx = (indices >> 9) & 0xffff;
+		*cidx = (be64_to_cpu(indices) >> 25) & 0xffff;
+		*pidx = (be64_to_cpu(indices) >> 9) & 0xffff;
 	}
 	return ret;
 }
@@ -3634,10 +3640,10 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
 	 * field selections will fit in the 36-bit budget.
 	 */
 	if (tp_vlan_pri_map != TP_VLAN_PRI_MAP_DEFAULT) {
-		int i, bits = 0;
+		int j, bits = 0;
 
-		for (i = TP_VLAN_PRI_MAP_FIRST; i <= TP_VLAN_PRI_MAP_LAST; i++)
-			switch (tp_vlan_pri_map & (1 << i)) {
+		for (j = TP_VLAN_PRI_MAP_FIRST; j <= TP_VLAN_PRI_MAP_LAST; j++)
+			switch (tp_vlan_pri_map & (1 << j)) {
 			case 0:
 				/* compressed filter field not enabled */
 				break;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 35b81d8..7bfd7f1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -380,9 +380,11 @@ static int t4_mem_win_rw(struct adapter *adap, u32 addr, __be32 *data, int dir)
 	/* Collecting data 4 bytes at a time upto MEMWIN0_APERTURE */
 	for (i = 0; i < MEMWIN0_APERTURE; i = i+0x4) {
 		if (dir)
-			*data++ = t4_read_reg(adap, (MEMWIN0_BASE + i));
+			*data++ = (__force __be32) t4_read_reg(adap,
+							(MEMWIN0_BASE + i));
 		else
-			t4_write_reg(adap, (MEMWIN0_BASE + i), *data++);
+			t4_write_reg(adap, (MEMWIN0_BASE + i),
+				     (__force u32) *data++);
 	}
 
 	return 0;
@@ -727,7 +729,7 @@ static int t4_read_flash(struct adapter *adapter, unsigned int addr,
 		if (ret)
 			return ret;
 		if (byte_oriented)
-			*data = htonl(*data);
+			*data = (__force __u32) (htonl(*data));
 	}
 	return 0;
 }
@@ -975,7 +977,7 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
 	int ret, addr;
 	unsigned int i;
 	u8 first_page[SF_PAGE_SIZE];
-	const u32 *p = (const u32 *)fw_data;
+	const __be32 *p = (const __be32 *)fw_data;
 	const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
 	unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
 	unsigned int fw_img_start = adap->params.sf_fw_start;
@@ -2298,7 +2300,8 @@ int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len)
 	t4_read_reg(adap, PCIE_MEM_ACCESS_OFFSET);
 
 	for (i = 0; i < len; i += 4)
-		*data++ = t4_read_reg(adap, (MEMWIN0_BASE + off + i));
+		*data++ = (__force __be32) t4_read_reg(adap,
+						(MEMWIN0_BASE + off + i));
 
 	return 0;
 }
-- 
1.7.1
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