diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/015-rt2x00-set-SoC-wmac-clock-register.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/015-rt2x00-set-SoC-wmac-clock-register.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/015-rt2x00-set-SoC-wmac-clock-register.patch b/package/kernel/mac80211/patches/rt2x00/015-rt2x00-set-SoC-wmac-clock-register.patch new file mode 100644 index 0000000000..3cadc91da6 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/015-rt2x00-set-SoC-wmac-clock-register.patch @@ -0,0 +1,70 @@ +From patchwork Sat Sep 17 20:29:55 2022 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org> +X-Patchwork-Id: 12979256 +X-Patchwork-Delegate: kvalo@adurom.com +Return-Path: <linux-wireless-owner@kernel.org> +Date: Sat, 17 Sep 2022 21:29:55 +0100 +From: Daniel Golle <daniel@makrotopia.org> +To: linux-wireless@vger.kernel.org, Stanislaw Gruszka <stf_xl@wp.pl>, + Helmut Schaa <helmut.schaa@googlemail.com> +Cc: Kalle Valo <kvalo@kernel.org>, + "David S. Miller" <davem@davemloft.net>, + Eric Dumazet <edumazet@google.com>, + Jakub Kicinski <kuba@kernel.org>, + Paolo Abeni <pabeni@redhat.com>, + Johannes Berg <johannes.berg@intel.com> +Subject: [PATCH v3 15/16] rt2x00: set SoC wmac clock register +Message-ID: + <3e275d259f476f597dab91a9c395015ef3fe3284.1663445157.git.daniel@makrotopia.org> +References: <cover.1663445157.git.daniel@makrotopia.org> +MIME-Version: 1.0 +Content-Disposition: inline +In-Reply-To: <cover.1663445157.git.daniel@makrotopia.org> +Precedence: bulk +List-ID: <linux-wireless.vger.kernel.org> +X-Mailing-List: linux-wireless@vger.kernel.org + +Instead of using the default value 33 (pci), set US_CYC_CNT init based +on Programming guide: +If available, set chipset bus clock with fallback to cpu clock/3. + +Reported-by: Serge Vasilugin <vasilugin@yandex.ru> +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Acked-by: Stanislaw Gruszka <stf_xl@wp.pl> +--- + .../net/wireless/ralink/rt2x00/rt2800lib.c | 21 +++++++++++++++++++ + 1 file changed, 21 insertions(+) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -6229,6 +6229,27 @@ static int rt2800_init_registers(struct + reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); + rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125); + rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); ++ } else if (rt2x00_is_soc(rt2x00dev)) { ++ struct clk *clk = clk_get_sys("bus", NULL); ++ int rate; ++ ++ if (IS_ERR(clk)) { ++ clk = clk_get_sys("cpu", NULL); ++ ++ if (IS_ERR(clk)) { ++ rate = 125; ++ } else { ++ rate = clk_get_rate(clk) / 3000000; ++ clk_put(clk); ++ } ++ } else { ++ rate = clk_get_rate(clk) / 1000000; ++ clk_put(clk); ++ } ++ ++ reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); ++ rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, rate); ++ rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); + } + + reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0); |