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From: Elliot Berman <eberman@codeaurora.org>
To: bjorn.andersson@linaro.org, saiprakash.ranjan@codeaurora.org,
	agross@kernel.org, swboyd@chromium.org
Cc: Elliot Berman <eberman@codeaurora.org>,
	tsoni@codeaurora.org, sidgup@codeaurora.org,
	psodagud@codeaurora.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 05/18] firmware: qcom_scm: Remove unused qcom_scm_get_version
Date: Tue, 12 Nov 2019 13:22:41 -0800	[thread overview]
Message-ID: <1573593774-12539-6-git-send-email-eberman@codeaurora.org> (raw)
In-Reply-To: <1573593774-12539-1-git-send-email-eberman@codeaurora.org>

Remove unused qcom_scm_get_version.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
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 fca7279..e06d59b 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -295,42 +295,6 @@ 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 ffd72b3..c52c591 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -53,7 +53,6 @@ extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 			       const struct qcom_scm_vmperm *newvm,
 			       unsigned int dest_cnt);
 extern void qcom_scm_cpu_power_down(u32 flags);
-extern u32 qcom_scm_get_version(void);
 extern int qcom_scm_set_remote_state(u32 state, u32 id);
 extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
 extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size);
@@ -92,7 +91,6 @@ static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 				      const struct qcom_scm_vmperm *newvm,
 				      unsigned int dest_cnt) { return -ENODEV; }
 static inline void qcom_scm_cpu_power_down(u32 flags) {}
-static inline u32 qcom_scm_get_version(void) { return 0; }
 static inline u32
 qcom_scm_set_remote_state(u32 state,u32 id) { return -ENODEV; }
 static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) { return -ENODEV; }
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2019-11-12 21:23 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-12 21:22 [PATCH v2 00/18] Restructure, improve target support for qcom_scm driver Elliot Berman
2019-11-12 21:22 ` [PATCH v2 01/18] firmware: qcom_scm: Rename macros and structures Elliot Berman
2019-11-15 23:27   ` Stephen Boyd
2019-11-16  1:19     ` eberman
2019-11-19 21:47       ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 02/18] firmware: qcom_scm: Add funcnum IDs Elliot Berman
2019-11-15 23:30   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 03/18] firmware: qcom_scm-64: Make SMCCC macros less magical Elliot Berman
2019-11-15 22:43   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 04/18] firmware: qcom_scm: Apply consistent naming scheme to command IDs Elliot Berman
2019-11-15 22:45   ` Stephen Boyd
2019-11-12 21:22 ` Elliot Berman [this message]
2019-11-15 22:45   ` [PATCH v2 05/18] firmware: qcom_scm: Remove unused qcom_scm_get_version Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 06/18] firmware: qcom_scm-64: Move svc/cmd/owner into qcom_scm_desc Elliot Berman
2019-11-15 23:40   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 07/18] firmware: qcom_scm-64: Add SCM results to descriptor Elliot Berman
2019-11-15 23:42   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 08/18] firmware: qcom_scm-64: Remove qcom_scm_call_do_smccc Elliot Berman
2019-11-15 23:45   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 09/18] firmware: qcom_scm-64: Move SMC register filling to qcom_scm_call_smccc Elliot Berman
2019-11-15 23:57   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 10/18] firmware: qcom_scm-64: Improve SMC convention detection Elliot Berman
2019-11-16  0:21   ` Stephen Boyd
2019-11-16  1:29     ` eberman
2019-11-19 21:49       ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 11/18] firmware: qcom_scm-32: Use SMC arch wrappers Elliot Berman
2019-11-16  0:41   ` Stephen Boyd
2019-12-12 19:45     ` Elliot Berman
2019-11-12 21:22 ` [PATCH v2 12/18] firmware: qcom_scm-32: Use qcom_scm_desc in non-atomic calls Elliot Berman
2019-11-19 22:03   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 13/18] firmware: qcom_scm-32: Move SMCCC register filling to qcom_scm_call Elliot Berman
2019-11-19 22:05   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 14/18] firmware: qcom_scm-32: Create common legacy atomic call Elliot Berman
2019-11-19 22:11   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 15/18] firmware: qcom_scm-32: Add device argument to atomic calls Elliot Berman
2019-11-19 22:13   ` Stephen Boyd
2019-11-12 21:22 ` [PATCH v2 16/18] firmware: qcom_scm: Remove thin wrappers Elliot Berman
2019-11-12 21:22 ` [PATCH v2 17/18] firmware: qcom_scm: Dynamically support SMCCC and legacy conventions Elliot Berman
2019-11-12 21:22 ` [PATCH v2 18/18] firmware: qcom_scm: Order functions, definitions by service/command Elliot Berman

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