From: Daniel Balint <dbalint@google.com>
To: Jonathan Cameron <jic23@kernel.org>,
Benson Leung <bleung@chromium.org>, Lee Jones <lee@kernel.org>,
Tzung-Bi Shih <tzungbi@kernel.org>
Cc: linux-iio@vger.kernel.org, chrome-platform@lists.linux.dev,
mfd@lists.linux.dev, linux-kernel@vger.kernel.org,
Daniel Balint <dbalint@google.com>
Subject: [PATCH v1 1/3] platform/chrome: cros_ec: fix alignment of ec_params_pwrmon
Date: Fri, 6 Nov 2026 19:31:15 +0000 [thread overview]
Message-ID: <20261106193129.43493-2-dbalint@google.com> (raw)
In-Reply-To: <20261106193129.43493-1-dbalint@google.com>
Sync EC_CMD_PWRMON structure padding with ChromeOS EC firmware by adding
explicit reserved padding to struct ec_params_pwrmon (2-byte union
alignment) and struct pwrmon_dump_info (4-byte struct size alignment),
as __ec_align2 and __ec_align4 expand to __packed in Linux.
Fixes: b57af7f8d194 ("platform/chrome: cros_ec: Sync host command header with EC")
Signed-off-by: Daniel Balint <dbalint@google.com>
---
include/linux/platform_data/cros_ec_commands.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index a7bd69d83522..6d74371c7074 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -6635,6 +6635,7 @@ enum ec_pwrmon_cmd {
struct ec_params_pwrmon {
uint8_t cmd;
+ uint8_t reserved;
union {
uint16_t set_rate;
uint8_t channel_id;
@@ -6651,6 +6652,7 @@ struct ec_params_pwrmon {
struct pwrmon_dump_info {
uint8_t channel_id;
char channel_name[32];
+ uint8_t reserved[3];
} __ec_align4;
struct ec_response_pwrmon {
--
2.56.0.455.g6c5a503b38-goog
next prev parent reply other threads:[~2026-11-06 19:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 19:31 [PATCH v1 0/3] Introduce cros_ec power monitoring Daniel Balint
2026-11-06 19:31 ` Daniel Balint [this message]
2026-11-06 19:31 ` [PATCH v1 2/3] iio: adc: add cros_ec_pwrmon driver Daniel Balint
2026-11-07 1:25 ` Jonathan Cameron
2026-11-06 19:31 ` [PATCH v1 3/3] mfd: cros_ec: load cros_ec_pwrmon on supported ECs Daniel Balint
2026-11-07 1:03 ` [PATCH v1 0/3] Introduce cros_ec power monitoring Jonathan Cameron
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