Message ID | 20240605212312.349188-14-eajames@linux.ibm.com |
---|---|
State | New |
Headers | show
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Wed, 5 Jun 2024 21:23:17 +0000 (GMT) From: Eddie James <eajames@linux.ibm.com> To: linux-fsi@lists.ozlabs.org Subject: [PATCH v4 13/40] fsi: core: Disable relative addressing during scan Date: Wed, 5 Jun 2024 16:22:45 -0500 Message-Id: <20240605212312.349188-14-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240605212312.349188-1-eajames@linux.ibm.com> References: <20240605212312.349188-1-eajames@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 6oMHMTQCwYpeabzPdTHqOe14r_iQpm8r X-Proofpoint-ORIG-GUID: 6oMHMTQCwYpeabzPdTHqOe14r_iQpm8r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=813 impostorscore=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406050160 X-BeenThere: linux-fsi@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-fsi.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linux-fsi>, <mailto:linux-fsi-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linux-fsi/> List-Post: <mailto:linux-fsi@lists.ozlabs.org> List-Help: <mailto:linux-fsi-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linux-fsi>, <mailto:linux-fsi-request@lists.ozlabs.org?subject=subscribe> Cc: andi.shyti@kernel.org, linux-aspeed@lists.ozlabs.org, alistair@popple.id.au, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, ninad@linux.ibm.com, broonie@kernel.org, linux-i2c@vger.kernel.org, lakshmiy@us.ibm.com, andrew@codeconstruct.com.au Errors-To: linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "linux-fsi" <linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
fsi: Add interrupt support
|
expand
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diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index bfb147de90efc..8b402149acbe9 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -1223,8 +1223,20 @@ static int fsi_master_break(struct fsi_master *master, int link) static int fsi_master_scan(struct fsi_master *master) { + bool set_mmode = false; int link, rc; + /* relative addressing is not allowed during slave ID initialization */ + if (master->map && (master->flags & FSI_MASTER_FLAG_RELA)) { + u32 mmode = master->mmode & ~FSI_MMODE_RELA; + + rc = regmap_write(master->map, FSI_MMODE, mmode); + if (rc) + return rc; + + set_mmode = true; + } + trace_fsi_master_scan(master, true); for (link = 0; link < master->n_links; link++) { rc = _fsi_master_link_enable(master, link); @@ -1246,6 +1258,12 @@ static int fsi_master_scan(struct fsi_master *master) fsi_master_link_disable(master, link); } + if (set_mmode) { + rc = regmap_write(master->map, FSI_MMODE, master->mmode); + if (rc) + return rc; + } + return 0; }
Relative addressing is not allowed during slave ID initialization, so turn it off during the FSI scan procedure. Signed-off-by: Eddie James <eajames@linux.ibm.com> --- drivers/fsi/fsi-core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)