From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x242.google.com (mail-oi0-x242.google.com [IPv6:2607:f8b0:4003:c06::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3t6WrN4ZRtzDvXq for ; Mon, 31 Oct 2016 09:09:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=ZEN67hHo; dkim-atps=neutral Received: by mail-oi0-x242.google.com with SMTP id 128so1107473oih.3 for ; Sun, 30 Oct 2016 15:09:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=N5NyQzJ6e/fsN4DqXJuw05apVoemhSyo9MmjGC3YLog=; b=ZEN67hHoEncKaMzkyVWuE5VIHM5Rtlw7rFU3isLB6Ad23/C/NJ1sfl9NaD1rXX7Dp0 xFOPsnX5bMhi2DUmu8ThkxFIO7mRm97xjygRfcnBN9l8NzH7qPF/VIS1HdbJWh3F4rzc gIykrbkbAe5fUed4xEtqInkVkRInk7ERzltWjJP0/ymdccTCxb3mjLezJ0lhaHLOrHkC ++6uQfGZN3IF+TKc8TnGCcoZgJ/zjvMxKVi9Bgl6zPCdgGOHstdp8cnf6LAL55MhafDr +MC+KL7+GvRtaaxQbJEfkWUBjwl+OOyid7GXQWTmS2xSdH051V+P0/YAvN5g/2Z0sYQR 7VQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=N5NyQzJ6e/fsN4DqXJuw05apVoemhSyo9MmjGC3YLog=; b=WvH9GLCX2U3lmzD2EtFTBduqauCmutHDiYUGeSt8HHjpDCThxmKdBbc1LwjQ6wEb21 rHHtlY6WhwXm/wJ18Pq61rOxYvKjZR+a8Px9rMQGqzUXzmC336h7KN6HeT1Qh3OO3nkj JSuwU2dE4Vpd5WjnxEl+lv7182JUmUJsF1NO3Sk0uSqN+2Cixe5gyj6dhCg7j7bFBcRZ MB1C5i4hXbnqLFAu0wGavwwBQw5+BgWP6nuknpwHOU8Ye87BDUGUgH5+zlEWLgb1BjjD k2b6YZ+NYFpSnKnoD2GSYWRtxFaFXf7an40qoly2G9HuHNFLKrdNB5/KpsbrgTOXnT4f 8kAA== X-Gm-Message-State: ABUngvfoVrEEgLecGuod+aRPeMNVMHxkxYyvT27SeuTiPyG1mVyfiF9elQuaAfmvjtPg9g== X-Received: by 10.202.61.2 with SMTP id k2mr12134668oia.44.1477865394949; Sun, 30 Oct 2016 15:09:54 -0700 (PDT) Received: from Christophers-MacBook-Pro.local.com (45-20-192-79.lightspeed.austtx.sbcglobal.net. [45.20.192.79]) by smtp.gmail.com with ESMTPSA id q59sm7585484ota.20.2016.10.30.15.09.53 (version=TLS1 cipher=AES128-SHA bits=128/128); Sun, 30 Oct 2016 15:09:54 -0700 (PDT) From: christopher.lee.bostic@gmail.com To: openbmc@lists.ozlabs.org Cc: joel@jms.id.au, zahrens@us.ibm.com, xxpetri@de.ibm.com, Jeremy Kerr Subject: [PATCH linux v6 08/18] fsi: Add empty master scan Date: Sun, 30 Oct 2016 17:09:10 -0500 Message-Id: <1477865379-11566-9-git-send-email-christopher.lee.bostic@gmail.com> X-Mailer: git-send-email 2.7.4 (Apple Git-66) In-Reply-To: <1477865379-11566-1-git-send-email-christopher.lee.bostic@gmail.com> References: <1477865379-11566-1-git-send-email-christopher.lee.bostic@gmail.com> X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Oct 2016 22:09:57 -0000 From: Jeremy Kerr When a new fsi master is added, we will need to scan its links, and slaves attached to those links. This change introduces a little shell to iterate the links, which we will populate with the actual slave scan in a later change. Signed-off-by: Jeremy Kerr --- drivers/fsi/fsi-core.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 7df4291..9744a55 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -21,6 +21,8 @@ #include "fsi-master.h" +#define FSI_N_SLAVES 4 + static atomic_t master_idx = ATOMIC_INIT(-1); struct fsi_slave { @@ -32,12 +34,34 @@ struct fsi_slave { #define to_fsi_slave(d) container_of(d, struct fsi_slave, dev) +/* FSI slave support */ +static int fsi_slave_init(struct fsi_master *master, + int link, uint8_t slave_id) +{ + /* todo: initialise slave device, perform engine scan */ + + return -ENODEV; +} + /* FSI master support */ +static int fsi_master_scan(struct fsi_master *master) +{ + int link, slave_id; + + for (link = 0; link < master->n_links; link++) + for (slave_id = 0; slave_id < FSI_N_SLAVES; slave_id++) + fsi_slave_init(master, link, slave_id); + + return 0; + +} + int fsi_master_register(struct fsi_master *master) { master->idx = atomic_inc_return(&master_idx); get_device(master->dev); + fsi_master_scan(master); return 0; } EXPORT_SYMBOL_GPL(fsi_master_register); -- 1.8.2.2