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From: Elliot Berman <eberman@codeaurora.org>
To: bjorn.andersson@linaro.org, saiprakash.ranjan@codeaurora.org,
	agross@kernel.org
Cc: tsoni@codeaurora.org, sidgup@codeaurora.org,
	psodagud@codeaurora.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Elliot Berman <eberman@codeaurora.org>
Subject: [PATCH 04/17] firmware: qcom_scm: Remove unused qcom_scm_get_version
Date: Mon,  4 Nov 2019 17:27:23 -0800	[thread overview]
Message-ID: <1572917256-24205-5-git-send-email-eberman@codeaurora.org> (raw)
In-Reply-To: <1572917256-24205-1-git-send-email-eberman@codeaurora.org>

Remove unused qcom_scm_get_version.

Signed-off-by: Elliot Berman <eberman@codeaurora.org>
---
 drivers/firmware/qcom_scm-32.c | 36 ------------------------------------
 include/linux/qcom_scm.h       |  2 --
 2 files changed, 38 deletions(-)

diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c
index b09fddf..b7f9f28 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -291,42 +291,6 @@ static s32 qcom_scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2)
 	return r0;
 }
 
-u32 qcom_scm_get_version(void)
-{
-	int context_id;
-	static u32 version = -1;
-	register u32 r0 asm("r0");
-	register u32 r1 asm("r1");
-
-	if (version != -1)
-		return version;
-
-	mutex_lock(&qcom_scm_lock);
-
-	r0 = 0x1 << 8;
-	r1 = (u32)&context_id;
-	do {
-		asm volatile(
-			__asmeq("%0", "r0")
-			__asmeq("%1", "r1")
-			__asmeq("%2", "r0")
-			__asmeq("%3", "r1")
-#ifdef REQUIRES_SEC
-			".arch_extension sec\n"
-#endif
-			"smc	#0	@ switch to secure world\n"
-			: "=r" (r0), "=r" (r1)
-			: "r" (r0), "r" (r1)
-			: "r2", "r3", "r12");
-	} while (r0 == QCOM_SCM_INTERRUPTED);
-
-	version = r1;
-	mutex_unlock(&qcom_scm_lock);
-
-	return version;
-}
-EXPORT_SYMBOL(qcom_scm_get_version);
-
 /**
  * qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
  * @entry: Entry point function for the cpus
diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index f8b6525..05a1c7a 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -59,7 +59,6 @@ extern bool qcom_scm_hdcp_available(void);
 extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
 			     u32 *resp);
 extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);
-extern u32 qcom_scm_get_version(void);
 extern bool qcom_scm_is_available(void);
 #else
 
@@ -101,7 +100,6 @@ static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
 				    u32 *resp) { return -ENODEV; }
 static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
 		{ return -ENODEV; }
-static inline u32 qcom_scm_get_version(void) { return 0; }
 static inline bool qcom_scm_is_available(void) { return false; }
 #endif
 #endif
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2019-11-05  1:28 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-05  1:27 [PATCH 00/17] Restructure, improve target support for qcom_scm driver Elliot Berman
2019-11-05  1:27 ` [PATCH 01/17] firmware: qcom_scm: Rename macros and structures Elliot Berman
2019-11-07 16:22   ` Vinod Koul
2019-11-05  1:27 ` [PATCH 02/17] firmware: qcom_scm: Apply consistent naming scheme to command IDs Elliot Berman
2019-11-06  6:02   ` Bjorn Andersson
2019-11-07 16:42   ` Vinod Koul
2019-11-05  1:27 ` [PATCH 03/17] firmware: qcom_scm: Order functions, definitions by service/command Elliot Berman
2019-11-06  6:05   ` Bjorn Andersson
2019-11-07 16:50   ` Vinod Koul
2019-11-08 22:03   ` Bjorn Andersson
2019-11-05  1:27 ` Elliot Berman [this message]
2019-11-06  6:06   ` [PATCH 04/17] firmware: qcom_scm: Remove unused qcom_scm_get_version Bjorn Andersson
2019-11-08  4:36   ` Vinod Koul
2019-11-05  1:27 ` [PATCH 05/17] firmware: qcom_scm-64: Move svc/cmd/owner into qcom_scm_desc Elliot Berman
2019-11-08  6:04   ` Vinod Koul
2019-11-05  1:27 ` [PATCH 06/17] firmware: qcom_scm-64: Add SCM results to descriptor Elliot Berman
2019-11-08  6:09   ` Vinod Koul
2019-11-05  1:27 ` [PATCH 07/17] firmware: qcom_scm-64: Remove qcom_scm_call_do_smccc Elliot Berman
2019-11-05  1:27 ` [PATCH 08/17] firmware: qcom_scm-64: Move SMC register filling to qcom_scm_call_smccc Elliot Berman
2019-11-05  1:27 ` [PATCH 09/17] firmware: qcom_scm-64: Improve SMC convention detection Elliot Berman
2019-11-07 19:18   ` Bjorn Andersson
2019-11-07 20:20     ` eberman
2019-11-07 23:44       ` Bjorn Andersson
2019-11-05  1:27 ` [PATCH 10/17] firmware: qcom_scm-32: Use SMC arch wrappers Elliot Berman
2019-11-08  0:05   ` Bjorn Andersson
2019-11-05  1:27 ` [PATCH 11/17] firmware: qcom_scm-32: Use qcom_scm_desc in non-atomic calls Elliot Berman
2019-11-05  1:27 ` [PATCH 12/17] firmware: qcom_scm-32: Move SMCCC register filling to qcom_scm_call Elliot Berman
2019-11-05  1:27 ` [PATCH 13/17] firmware: qcom_scm-32: Create common legacy atomic call Elliot Berman
2019-11-05  1:27 ` [PATCH 14/17] firmware: qcom_scm-32: Add device argument to atomic calls Elliot Berman
2019-11-05  1:27 ` [PATCH 15/17] firmware: qcom_scm: Merge legacy and SMCCC conventions Elliot Berman
2019-11-05  1:27 ` [PATCH 16/17] firmware: qcom_scm: Enable legacy calling convention in qcom_scm-64.c Elliot Berman
2019-11-05  1:27 ` [PATCH 17/17] firmware: qcom_scm: Rename -64 -> -smc, remove -32 Elliot Berman
2019-11-08  0:20   ` Bjorn Andersson
2019-11-05  2:14 ` [PATCH 00/17] Restructure, improve target support for qcom_scm driver Sai Prakash Ranjan

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