diff --git a/board/ti/am62x-sk/patches/linux/0001-clk-keystone-sci-clk-Adding-support-for-non-contiguo.patch b/board/ti/am62x-sk/patches/linux/0001-clk-keystone-sci-clk-Adding-support-for-non-contiguo.patch new file mode 100644 index 0000000000..788b6439d8 --- /dev/null +++ b/board/ti/am62x-sk/patches/linux/0001-clk-keystone-sci-clk-Adding-support-for-non-contiguo.patch @@ -0,0 +1,75 @@ +From 750cdf4cb6791c45d479ed73a97728100394fb32 Mon Sep 17 00:00:00 2001 +From: Udit Kumar +Date: Tue, 13 Feb 2024 13:56:40 +0530 +Subject: [PATCH] clk: keystone: sci-clk: Adding support for non contiguous + clocks +X-Developer-Signature: v=1; a=openpgp-sha256; l=1876; i=bb@ti.com; + h=from:subject; bh=CKSvD6FpqwRzx8blynhoCEc3XUR5TlwjFJdcgjQwpgg=; + b=owNCWmg5MUFZJlNZHYzOLwAAZP/////7puP/r7v/9q9s+8t7wa8/97UZO//d+XvPsvfv2/+wA + RsYHaQAAAAAAAAGg09IPUGmgAaAANBoAAAGmnqAPU9Q0DQ0HqMQDQ8ptTeqeogaABoPU0NAPUAA + 0GgDJ6gANAAMg0GmgNGgDEGh6jR6h6hp6mgepoPU2oDTIGho0IaHqA00yDQNBoGTRoDTRkAZNAD + AmTIBkGjIGmQyAZDRkAaANAYIxBk0DQAAHODcFn1CAGBsJeG8ZtU3FQCBdLH7LjDIouHeAszY1j + AFkqjaWIFXEVi8NV3giRplb1JjCYunXimTaK06SgQRYsUGRSbKOVQP2t1LlAYS93QjOMWF6CHXK + 69KzHyBDpXR2mHAAkHcHX0X3SAYJkxPElwJ1ZnHK1RfDKRfJcRQKzxnryM+4x2mCxpIFIIjpVLk + nItd1Vl1SEF2QiWZIYV4b0lawcUqLGgTQZ0+qpJ5QORYrvPXE4DR89JlJYBU4DjxAoyACH6KN0o + AiaknqZTfMwmF8iREpU4SgDEVun3X3OFlkBp3hBO+Ynb12GJoLSFBSz9IWE2ooLKFalh5XJMZfl + +GthEEOnlrMQHOF8qCr+JAKqXEqSrwLGuEIMFbnGEjJYruo4ENGOmGVlkvW+kLRp5ibCXAAcDMM + TPOUZ/i7kinChIDsZnF4A== +X-Developer-Key: i=bb@ti.com; a=openpgp; + fpr=D3D177E40A38DF4D1853FEEF41B90D5D71D56CE0 + +Most of clocks and their parents are defined in contiguous range, +But in few cases, there is gap in clock numbers[0]. +Driver assumes clocks to be in contiguous range, and add their clock +ids incrementally. + +New firmware started returning error while calling get_freq and is_on +API for non-available clock ids. + +In this fix, driver checks and adds only valid clock ids. + +[0] https://software-dl.ti.com/tisci/esd/latest/5_soc_doc/j7200/clocks.html +Section Clocks for NAVSS0_CPTS_0 Device, clock id 12-15 not present. + +Fixes: 3c13933c6033 ("clk: keystone: sci-clk: add support for dynamically probing clocks") +Signed-off-by: Udit Kumar +Reviewed-by: Nishanth Menon +Upstream: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ad3ac13c6ec318b43e769cc9ffde67528e58e555 +Signed-off-by: Bryan Brattlof +--- + drivers/clk/keystone/sci-clk.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c +index 35fe197dd303c..eb2ef44869b23 100644 +--- a/drivers/clk/keystone/sci-clk.c ++++ b/drivers/clk/keystone/sci-clk.c +@@ -516,6 +516,7 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider) + struct sci_clk *sci_clk, *prev; + int num_clks = 0; + int num_parents; ++ bool state; + int clk_id; + const char * const clk_names[] = { + "clocks", "assigned-clocks", "assigned-clock-parents", NULL +@@ -586,6 +587,15 @@ static int ti_sci_scan_clocks_from_dt(struct sci_clk_provider *provider) + clk_id = args.args[1] + 1; + + while (num_parents--) { ++ /* Check if this clock id is valid */ ++ ret = provider->ops->is_auto(provider->sci, ++ sci_clk->dev_id, clk_id, &state); ++ ++ if (ret) { ++ clk_id++; ++ continue; ++ } ++ + sci_clk = devm_kzalloc(dev, + sizeof(*sci_clk), + GFP_KERNEL); + +base-commit: 9fbb5fcb41e7e96fb8769a9f5a12a35a984c23bd +-- +2.43.2 +