linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Georgi Djakov <georgi.djakov@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Peter De Schrijver <pdeschrijver@nvidia.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Mikko Perttunen <cyndis@kapsi.fi>
Cc: "Artur Świgoń" <a.swigon@samsung.com>,
	linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	devicetree@vger.kernel.org
Subject: [PATCH v3 02/39] clk: tegra: Remove Memory Controller lock
Date: Sun,  7 Jun 2020 21:54:53 +0300	[thread overview]
Message-ID: <20200607185530.18113-3-digetx@gmail.com> (raw)
In-Reply-To: <20200607185530.18113-1-digetx@gmail.com>

The shared Memory Controller lock isn't needed since the time when
Memory Clock was made read-only. The lock could be removed safely now.
Hence let's remove it, this will help a tad to make further patches
cleaner.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/clk/tegra/clk-divider.c  | 4 ++--
 drivers/clk/tegra/clk-tegra114.c | 6 ++----
 drivers/clk/tegra/clk-tegra124.c | 7 ++-----
 drivers/clk/tegra/clk-tegra20.c  | 3 +--
 drivers/clk/tegra/clk-tegra30.c  | 3 +--
 drivers/clk/tegra/clk.h          | 2 +-
 6 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c
index 38daf483ddf1..56adb01638cc 100644
--- a/drivers/clk/tegra/clk-divider.c
+++ b/drivers/clk/tegra/clk-divider.c
@@ -177,10 +177,10 @@ static const struct clk_div_table mc_div_table[] = {
 };
 
 struct clk *tegra_clk_register_mc(const char *name, const char *parent_name,
-				  void __iomem *reg, spinlock_t *lock)
+				  void __iomem *reg)
 {
 	return clk_register_divider_table(NULL, name, parent_name,
 					  CLK_IS_CRITICAL,
 					  reg, 16, 1, CLK_DIVIDER_READ_ONLY,
-					  mc_div_table, lock);
+					  mc_div_table, NULL);
 }
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index bc9e47a4cb60..ca8d9737d301 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -134,7 +134,6 @@ static DEFINE_SPINLOCK(pll_d_lock);
 static DEFINE_SPINLOCK(pll_d2_lock);
 static DEFINE_SPINLOCK(pll_u_lock);
 static DEFINE_SPINLOCK(pll_re_lock);
-static DEFINE_SPINLOCK(emc_lock);
 
 static struct div_nmp pllxc_nmp = {
 	.divm_shift = 0,
@@ -1050,10 +1049,9 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base,
 			       ARRAY_SIZE(mux_pllmcp_clkm),
 			       CLK_SET_RATE_NO_REPARENT,
 			       clk_base + CLK_SOURCE_EMC,
-			       29, 3, 0, &emc_lock);
+			       29, 3, 0, NULL);
 
-	clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
-				    &emc_lock);
+	clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC);
 	clks[TEGRA114_CLK_MC] = clk;
 
 	clk = tegra_clk_register_periph_gate("mipi-cal", "clk_m", 0, clk_base,
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index e931319dcc9d..0c956e14b9ca 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -126,7 +126,6 @@ static DEFINE_SPINLOCK(pll_d_lock);
 static DEFINE_SPINLOCK(pll_e_lock);
 static DEFINE_SPINLOCK(pll_re_lock);
 static DEFINE_SPINLOCK(pll_u_lock);
-static DEFINE_SPINLOCK(emc_lock);
 static DEFINE_SPINLOCK(sor0_lock);
 
 /* possible OSC frequencies in Hz */
@@ -1050,8 +1049,7 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base,
 					     periph_clk_enb_refcnt);
 	clks[TEGRA124_CLK_DSIB] = clk;
 
-	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC,
-				    &emc_lock);
+	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC);
 	clks[TEGRA124_CLK_MC] = clk;
 
 	/* cml0 */
@@ -1518,8 +1516,7 @@ static void __init tegra124_132_clock_init_post(struct device_node *np)
 				  tegra124_reset_deassert);
 	tegra_add_of_provider(np, of_clk_src_onecell_get);
 
-	clks[TEGRA124_CLK_EMC] = tegra_clk_register_emc(clk_base, np,
-							&emc_lock);
+	clks[TEGRA124_CLK_EMC] = tegra_clk_register_emc(clk_base, np, NULL);
 
 	tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
 
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 3efc651b42e3..2f8b6de4198f 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -802,8 +802,7 @@ static void __init tegra20_periph_clk_init(void)
 
 	clks[TEGRA20_CLK_EMC] = clk;
 
-	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC,
-				    NULL);
+	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC);
 	clks[TEGRA20_CLK_MC] = clk;
 
 	/* dsi */
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 37244a7e68c2..88e8c485f8ae 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1042,8 +1042,7 @@ static void __init tegra30_periph_clk_init(void)
 
 	clks[TEGRA30_CLK_EMC] = clk;
 
-	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC,
-				    NULL);
+	clk = tegra_clk_register_mc("mc", "emc", clk_base + CLK_SOURCE_EMC);
 	clks[TEGRA30_CLK_MC] = clk;
 
 	/* cml0 */
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 6b565f6b5f66..5ed8b95d331c 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -136,7 +136,7 @@ struct clk *tegra_clk_register_divider(const char *name,
 		unsigned long flags, u8 clk_divider_flags, u8 shift, u8 width,
 		u8 frac_width, spinlock_t *lock);
 struct clk *tegra_clk_register_mc(const char *name, const char *parent_name,
-				  void __iomem *reg, spinlock_t *lock);
+				  void __iomem *reg);
 
 /*
  * Tegra PLL:
-- 
2.26.0


  parent reply	other threads:[~2020-06-07 18:57 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-07 18:54 [PATCH v3 00/39] Introduce memory interconnect for NVIDIA Tegra SoCs Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 01/39] clk: Export clk_hw_reparent() Dmitry Osipenko
2020-06-07 18:54 ` Dmitry Osipenko [this message]
2020-06-07 18:54 ` [PATCH v3 03/39] clk: tegra: Export Tegra20 EMC kernel symbols Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 04/39] memory: tegra20-emc: Make driver modular Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 05/39] memory: tegra30-emc: " Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 06/39] memory: tegra124-emc: " Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 07/39] memory: tegra124-emc: Use devm_platform_ioremap_resource Dmitry Osipenko
2020-06-07 18:54 ` [PATCH v3 08/39] soc/tegra: fuse: Export tegra_read_ram_code() Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 09/39] memory: tegra20-emc: Initialize MC timings Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 10/39] PM / devfreq: tegra20: Silence deferred probe error Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 11/39] PM / devfreq: tegra30: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 12/39] PM / devfreq: tegra20: Use MC timings for building OPP table Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 13/39] PM / devfreq: tegra30: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 14/39] PM / devfreq: tegra20: Add error messages to tegra_devfreq_target() Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 15/39] PM / devfreq: tegra30: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 16/39] PM / devfreq: tegra20: Adjust clocks conversion ratio and polling interval Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 17/39] PM / devfreq: tegra20: Relax Kconfig dependency Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 18/39] dt-bindings: memory: tegra20: mc: Document new interconnect property Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 19/39] dt-bindings: memory: tegra20: emc: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 20/39] dt-bindings: memory: tegra30: mc: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 21/39] dt-bindings: memory: tegra30: emc: " Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 22/39] dt-bindings: host1x: Document new interconnect properties Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 23/39] dt-bindings: memory: tegra20: Add memory client IDs Dmitry Osipenko
2020-06-09 20:01   ` Rob Herring
2020-06-07 18:55 ` [PATCH v3 24/39] dt-bindings: memory: tegra30: " Dmitry Osipenko
2020-06-09 20:02   ` Rob Herring
2020-06-07 18:55 ` [PATCH v3 25/39] ARM: tegra: Add interconnect properties to Tegra20 device-tree Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 26/39] ARM: tegra: Add interconnect properties to Tegra30 device-tree Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 27/39] interconnect: Relax requirement in of_icc_get_from_provider() Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 28/39] memory: tegra: Register as interconnect provider Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 29/39] memory: tegra20-emc: Use devm_platform_ioremap_resource Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 30/39] memory: tegra20-emc: Continue probing if timings are missing in device-tree Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 31/39] memory: tegra20-emc: Register as interconnect provider Dmitry Osipenko
2020-06-07 21:47   ` Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 32/39] memory: tegra20-emc: Create tegra20-devfreq device Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 33/39] memory: tegra30-emc: Continue probing if timings are missing in device-tree Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 34/39] memory: tegra30-emc: Register as interconnect provider Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 35/39] drm/tegra: dc: Support memory bandwidth management Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 36/39] drm/tegra: dc: Tune up high priority request controls for Tegra20 Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 37/39] drm/tegra: dc: Extend debug stats with total number of events Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 38/39] ARM: tegra: Enable interconnect API in tegra_defconfig Dmitry Osipenko
2020-06-07 18:55 ` [PATCH v3 39/39] ARM: multi_v7_defconfig: Enable interconnect API Dmitry Osipenko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200607185530.18113-3-digetx@gmail.com \
    --to=digetx@gmail.com \
    --cc=a.swigon@samsung.com \
    --cc=cw00.choi@samsung.com \
    --cc=cyndis@kapsi.fi \
    --cc=devicetree@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=georgi.djakov@linaro.org \
    --cc=jonathanh@nvidia.com \
    --cc=kyungmin.park@samsung.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=mturquette@baylibre.com \
    --cc=myungjoo.ham@samsung.com \
    --cc=pdeschrijver@nvidia.com \
    --cc=robh+dt@kernel.org \
    --cc=sboyd@kernel.org \
    --cc=thierry.reding@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).