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Thu, 2 Mar 2023 09:01:49 +0000 (GMT) From: Bumwoo Lee To: MyungJoo Ham , Chanwoo Choi , linux-kernel@vger.kernel.org Cc: Bumwoo Lee Subject: [PATCH v4 4/4] extcon: Added extcon_alloc_groups to simplify extcon register function Date: Thu, 2 Mar 2023 18:01:43 +0900 Message-Id: <20230302090143.46678-5-bw365.lee@samsung.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230302090143.46678-1-bw365.lee@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLKsWRmVeSWpSXmKPExsWy7bCmvu7fVIYUg9n3zS1OrFnEZHH9y3NW i8u75rBZ3G5cwebA4tG3ZRWjx+dNcgFMUdk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6 hpYW5koKeYm5qbZKLj4Bum6ZOUCLlBTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2SqkFKTkF ZgV6xYm5xaV56Xp5qSVWhgYGRqZAhQnZGU0npQqmCFdcbm1la2B8xd/FyMkhIWAiceHhB7Yu Ri4OIYEdjBJnVqyCcj4xSqxafIsdwvnMKHH952kWmJbtLxqZIRK7GCVObFgD1fKLUWLb71Y2 kCo2AQ2JPRcbgGwODhGBQonD/dkgYWYBNYkHqzayg9jCAgkSHf87wcpZBFQllq96xQxi8wpY Sdx9fZYRYpm8RPe/P2CLOQWsJd5M7mKBqBGUODnzCQvETHmJ5q2zwQ6SENjFLvHs9XSoZheJ q09vMUHYwhKvjm9hh7ClJF72t0HZ6RIrr9yBsnMkXt9vh+o1lnj3di0zyP3MApoS63fpQ4QV JXb+nssIsZdP4t3XHlaQEgkBXomONiGIEmWJ7gcvoLZKSix+egdqoodE070eRkhQ9TFK/H3+ mWUCo8IsJO/MQvLOLITNCxiZVzGKpRYU56anFhsWmMIjODk/dxMjON1pWe5gnP72g94hRiYO xkOMEhzMSiK8C2//SRbiTUmsrEotyo8vKs1JLT7EaAoM7InMUqLJ+cCEm1cSb2hiaWBiZmRi YWxpbKYkzituezJZSCA9sSQ1OzW1ILUIpo+Jg1OqgckmtKQ644gyf6LcHevYf6ZVf/1TlrGc LTU+9+Oqdf1HQ753J+4IbOcXNNDdJb2t40G93Mqd7Jtar2c5660zmp2T3hezf3eHwJcjM18G /jNQffLjvOA9d/eLExlqLTbkFPNfmDhhr5GboGelcKvqU4lbr9geCPYw7A7snys+mSd205r8 tiVhSobe216G8pb5eu52Kn0wcWPv0g/V11/E/1mw8HZauhbT4ia+A2buWmbHV5ScfmzV8Ctq ffH9AMPl0/Lnnfy+UqY9le9Fmeb20r17J76yb9nnqX1OPPFi94uz3m3drC6FU3rfCPT1rNn/ 8afve/7o6EUbPkfZn32peunYo3+Hf+qtUC0vXeKvWKLEUpyRaKjFXFScCABfesZqAAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOLMWRmVeSWpSXmKPExsWy7bCSvO7fVIYUg1VbVCxOrFnEZHH9y3NW i8u75rBZ3G5cwebA4tG3ZRWjx+dNcgFMUVw2Kak5mWWpRfp2CVwZTSelCqYIV1xubWVrYHzF 38XIySEhYCKx/UUjcxcjF4eQwA5GiasH7jBBJCQlzi5/xN7FyAFkC0scPlwMUfODUeLro0WM IDVsAhoSey42sIHYIgLFEhcOLGYBsZkF1CQerNrIDmILC8RJnLjyEmwmi4CqxPJVr5hBbF4B K4m7r88yQuySl+j+9wesl1PAWuLN5C4wWwioZvqrfSwQ9YISJ2c+gZovL9G8dTbzBEaBWUhS s5CkFjAyrWKUTC0ozk3PLTYsMMpLLdcrTswtLs1L10vOz93ECA5LLa0djHtWfdA7xMjEwXiI UYKDWUmEd+HtP8lCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeS90nYwXEkhPLEnNTk0tSC2CyTJx cEo1MF3cFN1z4dcmlisv9lSEX7ybl38+l4dNJmx22WqeiNd9sVGKa1q8/AN17bbfjNg6/csC gbNrk36+qJEX4BFZmTdJsqf9msVK8/fTIjdfiiiyfGMqYNc3e73g3bviWROTm7WWFCl8eM2y Pi5GpqwyadXv+U0Hw2/vmlksyBhoGFfzZpLpuox/30VuxS5wna4597PX0/8Gl936Jr6N/X/D Ks27zTGpI/2ewLnLX52kP8lw3PzbkNbnf+uPl1pN7MPd9/STLXI+7gzdt+jTFd+kmcaPpcIu Jj7u5vTkzJTaeCTAvTkocVb5Ua3ou54V2nc4DuT6PT4b4/2wsbDr54lNW959YZtikej6apb4 VX3u90osxRmJhlrMRcWJAAcaYsy6AgAA X-CMS-MailID: 20230302090149epcas1p33a5cd34ed350301b547c2ac3914569d4 X-Msg-Generator: CA X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230302090149epcas1p33a5cd34ed350301b547c2ac3914569d4 References: <20230302090143.46678-1-bw365.lee@samsung.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1759246207998877032?= X-GMAIL-MSGID: =?utf-8?q?1759246207998877032?= The alloc groups is functionalized from extcon_dev_register. Signed-off-by: Bumwoo Lee --- drivers/extcon/extcon.c | 58 +++++++++++++++++++++++++---------------- 1 file changed, 36 insertions(+), 22 deletions(-) diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 321988231806..c366a7988daf 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -1181,6 +1181,39 @@ static int extcon_alloc_muex(struct extcon_dev *edev) return 0; } +/** + * extcon_alloc_groups() - alloc the groups for extcon device + * @edev: extcon device + * + * Returns 0 if success or error number if fail. + */ +static int extcon_alloc_groups(struct extcon_dev *edev) +{ + int index; + + if (!edev->max_supported) + return 0; + + edev->extcon_dev_type.groups = kcalloc(edev->max_supported + 2, + sizeof(struct attribute_group *), + GFP_KERNEL); + if (!edev->extcon_dev_type.groups) + return -ENOMEM; + + edev->extcon_dev_type.name = dev_name(&edev->dev); + edev->extcon_dev_type.release = dummy_sysfs_dev_release; + + for (index = 0; index < edev->max_supported; index++) + edev->extcon_dev_type.groups[index] = &edev->cables[index].attr_g; + + if (edev->mutually_exclusive) + edev->extcon_dev_type.groups[index] = &edev->attr_g_muex; + + edev->dev.type = &edev->extcon_dev_type; + + return 0; +} + /** * extcon_dev_register() - Register an new extcon device * @edev: the extcon device to be registered @@ -1236,28 +1269,9 @@ int extcon_dev_register(struct extcon_dev *edev) if (ret < 0) goto err_alloc_muex; - if (edev->max_supported) { - edev->extcon_dev_type.groups = - kcalloc(edev->max_supported + 2, - sizeof(struct attribute_group *), - GFP_KERNEL); - if (!edev->extcon_dev_type.groups) { - ret = -ENOMEM; - goto err_alloc_groups; - } - - edev->extcon_dev_type.name = dev_name(&edev->dev); - edev->extcon_dev_type.release = dummy_sysfs_dev_release; - - for (index = 0; index < edev->max_supported; index++) - edev->extcon_dev_type.groups[index] = - &edev->cables[index].attr_g; - if (edev->mutually_exclusive) - edev->extcon_dev_type.groups[index] = - &edev->attr_g_muex; - - edev->dev.type = &edev->extcon_dev_type; - } + ret = extcon_alloc_groups(edev); + if (ret < 0) + goto err_alloc_groups; spin_lock_init(&edev->lock); if (edev->max_supported) {