Few fixes addressing the below issues: 1. A spurious IRQ related to the late reply can get wrongly associated with the new enqueued request resulting in misinterpretation of data in shared memory. This race-condition can be detected by looking at the channel status bits which the platform must set to the channel free before triggering the completion IRQ. Adding a consistency check to validate such condition will fix the issue. 2. Incorrect use of asm-generic/bug.h instead of generic linux/bUg.h 3. xa_store() can't check for possible duplication insertion, use xa_insert() instead 4. Fix the SCMI clock protocol version in the v3.2 SCMI specification 5. Incorrect upgrade of highest supported clock protocol version from v2.0 to v3.0 -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmWuk5gACgkQAEG6vDF+ 4pi7/BAArnlvrL8pkakS6MvuWbEsWG1ZPoR1Zc/8QqCHV7eYs7TWJKl4/zRFxvqv vYODFekhLS1pdVzZcmtgI5fHp1WW7vDV8Fe93FtrFnqUnd3RQWD0VwBgOqaIypmg C4KS5I6nxcB6jBBcus/L1kRYIH3ut0hgZ2Yw941hc5Dj38zewnwdzHi4eMm5NKKh bPUpUsbVpoaGuTD6esXxQve1hkqNddpEfJa798Y2ZooKmxCRpiTui/XwqcrV0704 hQ4A3wP4OcaWlE2YaxXf71sOpr8hdlM+i3B/4R6k4LzdyBVAwqP8VzqftN/xvovq lR02TDssBwY0vQjtOUsuk0zlrYkC42itOl0v4sKQky8V32yhSzbUwf640CFFlfw2 NhZd4gtib+S+jQgRPHl2E4XV+lUIO9svAyNkCnDMR+TLOiDvNg+WDcTc4zcllhNQ 6MUMVgoIN6X33aCxpF4HsWBi8bYps3+b1757iMjxyUaJ2mREGLEW+7afXciXBlph MuvNrUrWJqMpgaYIPVhNjTs9Z2kv2aO7dyGivA54vCcN4+BCVajQ2tv+ox4Mv1ZI biChLGX62qyzeAolpc/mKUEESaIdOUHjGt1ezRm+kM2hMLx+7oae2V2E08ZZr4SW 7UO6rAy+fWU4C2yLFdpV9gpAeWRl2GBu+6zhVd0FWKFIwh6tucM= =TZaY -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmWymJ8ACgkQYKtH/8kJ UieylA/9FmykJhh/ZCqoJ7D0UiuKLnWz1vZIlJj4apoCA/fwVdftz2v7WgdikZui ujVX2idXwHuaGapYzVQGB602AjVbsmJoOK8q+KmAzMdaLbefBoS84GiDvCIsEpc2 OF5Lof7U9mBbL+A62OZBvzWX3qk/98vTahEmXfSi0soMrs41K1EiYpuy2jJAU+a2 ehMbrtd4Sly/EGdgLDlFN1HVIvnUr6LcQbvIbNR45l+s2wWr6qIAjvjPZ4efEOkI 39VVL6Zvmb0pGTLi8qZTGvh9JYyoJryWKOpAy6OjJ3hlDlKjIpluhjca080W+2zP wTPZlgrSUNkKkkyZsxr1c8hWGmEjjJnJJv5lJVIzt+C0FuEf246JS+DFifDhBhnc R4LuA2X6avwL3hbYnJMcnaSxamnefvvJjavsRWeyh1/y4e9cEOR28Ex0RULzqgNw p4Il7J6/NqDlxS71Gc+qtx5UPWkpNZp9xwrveyCDPwAiyOpvSigiKEHe2e7m/vUL FMTtEMf6o6Cd8ypKl9SFgaRq4NGKH1QvCBtz5RhRhUcHAucZtJ8bRNqcyofyS9Sf F9O3nE+OGJu8qCluoGHtFwc0PLXlWvxVSNBQXQuLk7mMlbIbndk7kMfRztNjshps L6EK1Hr6+/RqBFzCuV3DlbRpnrBMxRj3ExVUCDOxnKDETeeIboM= =aJcM -----END PGP SIGNATURE----- Merge tag 'scmi-fixes-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes Arm SCMI fixes for v6.8 Few fixes addressing the below issues: 1. A spurious IRQ related to the late reply can get wrongly associated with the new enqueued request resulting in misinterpretation of data in shared memory. This race-condition can be detected by looking at the channel status bits which the platform must set to the channel free before triggering the completion IRQ. Adding a consistency check to validate such condition will fix the issue. 2. Incorrect use of asm-generic/bug.h instead of generic linux/bUg.h 3. xa_store() can't check for possible duplication insertion, use xa_insert() instead 4. Fix the SCMI clock protocol version in the v3.2 SCMI specification 5. Incorrect upgrade of highest supported clock protocol version from v2.0 to v3.0 * tag 'scmi-fixes-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scmi: Fix the clock protocol supported version firmware: arm_scmi: Fix the clock protocol version for v3.2 firmware: arm_scmi: Use xa_insert() when saving raw queues firmware: arm_scmi: Use xa_insert() to store opps firmware: arm_scmi: Replace asm-generic/bug.h with linux/bug.h firmware: arm_scmi: Check mailbox/SMT channel for consistency Link: https://lore.kernel.org/r/20240122161640.3551085-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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