netdev - [PATCH net-next 6/7] net: ipa: pass a platform device to ipa_smp2p

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Message-Id: <20240229205554.86762-7-elder@linaro.org>
Date: Thu, 29 Feb 2024 14:55:53 -0600
From: Alex Elder <elder@...aro.org>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: mka@...omium.org,
	andersson@...nel.org,
	quic_cpratapa@...cinc.com,
	quic_avuyyuru@...cinc.com,
	quic_jponduru@...cinc.com,
	quic_subashab@...cinc.com,
	elder@...nel.org,
	netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next 6/7] net: ipa: pass a platform device to ipa_smp2p_init()

Rather than using the platform device pointer field in the IPA
pointer, pass a platform device pointer to ipa_smp2p_init().  Use
that pointer throughout that function.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_main.c  |  2 +-
 drivers/net/ipa/ipa_smp2p.c | 10 +++++-----
 drivers/net/ipa/ipa_smp2p.h |  7 +++++--
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 17ee075370ce6..3125aec88e6e1 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -888,7 +888,7 @@ static int ipa_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_endpoint_exit;
 
-	ret = ipa_smp2p_init(ipa, loader == IPA_LOADER_MODEM);
+	ret = ipa_smp2p_init(ipa, pdev, loader == IPA_LOADER_MODEM);
 	if (ret)
 		goto err_table_exit;
 
diff --git a/drivers/net/ipa/ipa_smp2p.c b/drivers/net/ipa/ipa_smp2p.c
index 8c4497dfe5afd..831268551d9a7 100644
--- a/drivers/net/ipa/ipa_smp2p.c
+++ b/drivers/net/ipa/ipa_smp2p.c
@@ -220,10 +220,11 @@ static void ipa_smp2p_power_release(struct ipa *ipa)
 }
 
 /* Initialize the IPA SMP2P subsystem */
-int ipa_smp2p_init(struct ipa *ipa, bool modem_init)
+int
+ipa_smp2p_init(struct ipa *ipa, struct platform_device *pdev, bool modem_init)
 {
 	struct qcom_smem_state *enabled_state;
-	struct device *dev = &ipa->pdev->dev;
+	struct device *dev = &pdev->dev;
 	struct qcom_smem_state *valid_state;
 	struct ipa_smp2p *smp2p;
 	u32 enabled_bit;
@@ -262,7 +263,7 @@ int ipa_smp2p_init(struct ipa *ipa, bool modem_init)
 	/* We have enough information saved to handle notifications */
 	ipa->smp2p = smp2p;
 
-	ret = ipa_smp2p_irq_init(smp2p, smp2p->ipa->pdev, "ipa-clock-query",
+	ret = ipa_smp2p_irq_init(smp2p, pdev, "ipa-clock-query",
 				 ipa_smp2p_modem_clk_query_isr);
 	if (ret < 0)
 		goto err_null_smp2p;
@@ -274,8 +275,7 @@ int ipa_smp2p_init(struct ipa *ipa, bool modem_init)
 
 	if (modem_init) {
 		/* Result will be non-zero (negative for error) */
-		ret = ipa_smp2p_irq_init(smp2p, smp2p->ipa->pdev,
-					 "ipa-setup-ready",
+		ret = ipa_smp2p_irq_init(smp2p, pdev, "ipa-setup-ready",
 					 ipa_smp2p_modem_setup_ready_isr);
 		if (ret < 0)
 			goto err_notifier_unregister;
diff --git a/drivers/net/ipa/ipa_smp2p.h b/drivers/net/ipa/ipa_smp2p.h
index 9b969b03d1a4b..2a3d8eefb13bb 100644
--- a/drivers/net/ipa/ipa_smp2p.h
+++ b/drivers/net/ipa/ipa_smp2p.h
@@ -8,17 +8,20 @@
 
 #include <linux/types.h>
 
+struct platform_device;
+
 struct ipa;
 
 /**
  * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem
  * @ipa:	IPA pointer
+ * @pdev:	Platform device pointer
  * @modem_init:	Whether the modem is responsible for GSI initialization
  *
  * Return:	0 if successful, or a negative error code
- *
  */
-int ipa_smp2p_init(struct ipa *ipa, bool modem_init);
+int ipa_smp2p_init(struct ipa *ipa, struct platform_device *pdev,
+		   bool modem_init);
 
 /**
  * ipa_smp2p_exit() - Inverse of ipa_smp2p_init()
-- 
2.40.1